Bug Severity Assessments
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TitleExamplary StepsSeverity/BewertungComment
2
Credit card valid until the current month not accepted1. Check out some articles in an online shop
2. Provide a valid credit card that is valid until the current month
3. Card is rejected
HighOften, reasons in the processing of credit card payments exist. However, if this is not clearly communicated to the potential customer, a bug can be assumed. As typically only (very) few customers will be concerned, High severity is appropriate here.
3
Select element (dropdown) in wrong place after device rotation1. Go to a web page containing a dropdown element (e.g. to select a month for birthday)
2. Open the dropdown
3. Rotate the device
4. Notice that opened dropdown options are not displayed in the right place (aligned with the field they belong to)
5. Note: After closing and re-opening the dropdown, everything is correct again
No BugThis is not an issue of the page under test, but a problem of the browser handling the rendering correctly after rotation.
4
19-digit visa not accepted1. Select some products in an online shop to check out
2. Go to payment methods
3. (Try to) Enter a 19-digit visa card
4. Notice that you cannot enter the number or it is not accepted (although the number is valid)
LowAlthough 19-digit cards are rare (at the moment), they should be accepted (as long as they are valid in all other repects). However, this is only relevant for very few users and hence, only an edge case.
5
Filter (e.g. for color) shows some irrelevant items1. You are on a category page / overview page in an online shop
2. You filter for products with color Red
3. Among many red products, few non-red items are shown
ContentThere is no underlying functional issue here, but the tagging of products (in the backend) is incorrect. This is not necessarily visible on the product detail page if the tagging is not explicitly presented to the customer.
6
Long search words are running out of the display area1. Go to a website's search field
2. Search for a long term such as abcdefghijklmnopqrstuvwxyz1234567890 (without spaces)
3. Notice that the displayed search term is not fully visible but running out of the visible area (especially on mobile devices)
No BugSuch unrealistic inputs (without a single space) are not of relevance as normal user wouldn't input such words.

Note:
This also applies to overlong names, usernames etc.
7
Incomplete input validation1. Go to a registration form (app/web)
2. Enter the invalid email address, e.g. 'abc..def@xyz.de', and note that is is not accepted
3. Now enter the also invalid email address, e.g. 'abc.def@xyz..de', and note that it is accepted
LowAn incomplete input validation means in fact that the implemented input validation is not working correct. However, please not that a simple "not empty" check is not already considered as kind of input validation.
8
Filter/Sorting reset after coming back from detail page1. You are on a category page
2. You apply some filters / sorting
3. You go to a product detail page
4. You return to the category page
5. Observe that the filters / sorting are reset
LowThis is only a low-priority issue as the filter can easily be re-set by the user.
9
Auto completion for street/house number not working as expected1. You are on a website and fill out some registration or contact form
2. The form provides seperate fields for street and house number
3. Observe that the browser's auto completion feature inserts street name and housenumber both into the street name's field
UsabilityThe auto-completion often depends on several factors e.g. how the input fields are named and it is the browser's responsibility to fill these fields. Hence, it is not a functional issue of the site under test.
10
Personal data accessible after logout1. You are logged in on a site using some kind of profile with personal data.
2. You log yourself out.
3. You use the (browser's) back button to return
4. Personal data is displayed although you are not logged in anymore.
HighPrivate data (that are protected via a login mechanism) have to be protected - however, as they cannot be changed, this is not a critical issue.
11
Personal data can be changed after logout1. You are logged in on a site using some kind of profile with personal data.
2. You log yourself out.
3. You use the (browser's) back button to return
4. Personal data is displayed and can even be changed successfully although you are not logged in anymore.
HighAs only a single feature is concerned, high is appropriate here.
12
Dead/wrong links in navigational elements 1. There is a dead link in a navigational element such as footer, but not in continuous text.LowEven if corresponding links can be defined in principle within ContentManagementSystem, they are often assigned to the more static parts of a website and are therefore not directly regarded as content.
13
Basket/Cart not restorted after login1. You are logged in on a webpage/app that provides the provides the feature of basket/cart saving for an account
2. You add some products to your basket/cart
3. You log yourself out
4. You log yourself back in
5. The basket/cart is not restored/empty
HighIf such a functionality is said to be there and it is not (working correctly), this could be annoying for a customer. However, as normal ordering is still possible and not all people are likely to use this function, High is appropriate here.
14
Sorting on category page is not working1. You are visiting a category page in a web shop
2. Select a sort option, e.g. sort by name (A-Z)
3. Notice that the articles are not correctly sorted
HighAs sorting is only a convenience function and the products can also be found via other ways, High is appropriate here.
15
Placeholder text cut due to text field being too small1. You are on a website offering a form, e.g. a mobile page that enables entering a voucher code in the cart view
2. The placeholder text is not completely visible because the field’s width is not sufficient.
3. Note that the text is not abbreviated, but cut (e.g. it reads: Please enter your vou)
VisualThe field should have an appropriate size.
16
Registration form is not cleared1. You are on a website and register for a new account by providing your personal data
2. After successful registration, logout again
3. Use the browser’s back button to return to the registration form
4. Note that your entered data is still visible/accessible
UsabilityThis is basically the browser's standard caching behavior. Consequently, you should always close the browser window. Changing this is more a question of usability.
17
Valid email address rejected/changed by browser1. You are on a web site and try to register for an account
2. You use your personally owned email address myself@myßpecialdomain.de
3. The browser’s input validation feature rejects the input saying it is not a valid address or changes it in a way that your address is not correctly submitted to the web site (e.g. ß --> ss)
UsabilityThere is no functional issue of the site under test (as the browser is doing the check). However, it is ok to post a usability suggestion to change this behavior.
18
Valid email address rejected by web site/app1. You are on a web site/in an app and try to register for an account
2. You use your personally owned email address myself@myßpecialdomain.de
3. The site’s/app’s input validation feature rejects the input saying it is not a valid address
LowAs this is a validation problem only, Low is appropriate here.
19
Apparent log out after using browser back1. Open website homepage
2. Log in successfully, assume you are forwarded to your profile page or similar
3. Go back (using the browser's functionality) until you reach the home page again
4. Notice that the login option is still shown/shown again
5. Note that you are still logged in and the view is correctly updated once reloaded
No bugThere is no functional issue here as this is the normal browser caching behavior.
20
Log out after using browser back1. Open website homepage
2. Log in successfully, assume you are forwarded to your profile page or similar
3. Go back (using the browser's functionality) until you reach the home page again
4. Notice that the login option is still shown/shown again
5. Note that you have been logged out and you have to re-login
HighAs the issue only occurs under specific circumstances, High is appropriate here.
21
Products in shopping cart not unified1. You are in a webshop that offers choices for their products, e.g. color variants.
2. Select an item e.g. with color red and add it twice to your cart.
3. Note that the item is shown once in the cart with quantity two.
4. You add the same product again, but now with a different color.
5. You go to the cart and change the color of the second item to red.
6. Note that there are two identical items in the cart now, one with quantity two, the other with quantity one, while you would have expected one item with quantity three.
UsabilityThere is no functional issue here. It might be desirable to combine the products automatically, but if this is not implemented, this is not a bug.
22
Facebook / Google login not asking for credentials after first successful attempt1. You are on a website that provides login via Facebook / Google
2. You log in via the above mentioned method.
3. To do so, you have to provide your credentials.
4. You log out again.
5. You go back to the login and choose the same method as in step 2 to re-login
6. Note that you are not asked for your credentials again.
No bugThis is the standard behavior. After also logging out from Facebook / Google, another login prompt will be shown.
23
Drop-down field is wrongly displayed / not attached to the site when scrolling1. Go to a webpage that shows drop-down fields, e.g. to select sorting criteria
2. Expand the drop-down
3. Scroll the page
4. Observe that the drop-down is floating around, instead of being anchored to where it was opened
No bugThis is a browser-related problem that cannot be influenced by the site under test.
24
13-digit credit card not accepted1. Select some products in an online shop to check out
2. Go to payment methods
3. Enter a 13-digit credit card
4. Notice that the number is not accepted (although the number is valid)
No bugCredit cards with 13 digits are rather old and have no practical relevance anymore.
25
Offer more choices for gender selection1. Open a registration form on a web page/in an app
2. See that only male/female or Mr./Mrs. are offered as choices for gender
3. Suggestion: More choices should be offered
No bugThis is not relevant to the majority of our customers
26
Search with product name containing special characters does not return results1. You are in a shop (webpage or app)
2. Select a product name containing a special character (e.g. an apostrophe, a comma or a colon)
3. Copy the full product name
4. Search with the copied product name
5. Observe that nothing is found
LowAs this only applies to specific products (with special characters in their name), this is only an issue of Low priority.
27
Add functionality to clear basket1. You are in a webshop
2. Add some products to the basket
3. Go to the basket
4. Observe that there is no functionality to remove all items at once
UsabilityIf not indicated otherwise, this functionality cannot be expected, but it might be helpful for the user.
28
Make gender selection optional1. Open a registration form on a web page/in an app
2. See that it is mandatory to select an entry in the gender field
3. Suggestion: Make the field optional
No bugThis is not relevant to the majority of our customers
29
Page can be scrolled in background while hamburger menu is open1. You are for example in a webshop
2. Open the hamburger menu
3. Observe that you can scroll the page in the background (while scrolling the menu itself works fine as well)
No bugAs there are no negative consequences, this is not a functional issue. As there is no impact on the user's workflow w.r.t. completing his/her task, this is not a usability suggestion either.
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