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Medium 5.4
Apache Answer: User Center integration does not revoke first-login sessions after central account suspension
Incorrect implementation of authentication algorithm vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. A flaw in the User Center login integration can cause a newly created external user session to omit its external identity, al…
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Medium 4.3
Apache Answer: Improper Authorization Allows Disclosure of Non-Public Question Metadata
Exposure of sensitive information through data queries vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. An improper authorization check in the similar-question search allowed authenticated users to view metadata of non-public q…
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Medium 5.3
Apache Answer: Disclosure of Comments on Non-Public Content Through Public Profiles
vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. Unauthenticated attackers could access comments associated with non-public content through public user profiles. Users are recommended to upgrade to version 2.0.3, which fixes th…
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Medium 4.3
Apache Answer: MCP Answer Retrieval Exposes Content from Non-Public Questions
Missing Authorization vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. An authorization flaw in the MCP answer retrieval tool allows holders of a global API key to access answer content associated with hidden, deleted, or pendi…
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Medium 5.3
Apache Answer: Improper Authorization in Question Invite User Lookup
Missing Authorization vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. An unauthenticated or unauthorized user can retrieve the invited-user list associated with a non-public question due to missing visibility authorization che…
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Medium 5.4
Apache Answer: Email Code Purpose Confusion May Allow Account Takeover
A vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. A verification code issued for one email-based workflow could be accepted by another sensitive workflow because the code purpose was not properly enforced. Users are recommende…
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Medium 5.4
Apache Answer: Stored XSS via unsanitized HTML in imported question content
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. The importer stores imported question bodies as raw HTML without passing them through the nor…
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Medium 6.5
Apache Answer: Missing authorization in revision audit reject allows authenticated users to reject pending revisions
Improper Authorization vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. Any authenticated user can reject arbitrary pending edit-revisions without review permission due to a missing authorization check on the reject operation. …
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Medium 6.5
Apache Answer: Improper authorization in avatar update cleanup allows authenticated users to delete arbitrary uploaded files by URL
Improper Input Validation vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs. …
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Medium 6.5
Apache Answer: Unlisted Questions Accessible via Direct API Access
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. The unlisted question feature did not enforce access restrictions on direct API endpoints, allowing authenticated users…
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Medium 5.4
Apache Answer: HTML Content Injection in Email
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. User-supplied content was included in notification emails without proper escaping, allowing authenti…
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Medium 6.5
Apache Answer: The custom avatar was not properly validated
Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. The server did not sufficiently validate user-supplied image URLs, allowing arbitrary external content to be embedded as profile i…
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Medium 6.5
Apache Answer: Uploading specially crafted TIFF files causes an Out-of-Memory error
Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. A crafted TIFF image could trigger excessive memory allocation during image decoding, allowing an authenticated user to cause the …
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Medium 6.1
Apache Answer: Authorization Bypass in Timeline API
Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. Timeline-related APIs lacked proper authorization checks, allowing regular authenticated users to access deleted…
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Medium 6.1
Apache Answer: XSS in AI Answer Rendering
Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. AI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be executed w…
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Medium 6.5
Apache Answer: Using externally referenced images can leak user privacy.
Private Data Structure Returned From A Public Method vulnerability in Apache Answer. This issue affects Apache Answer: through 1.4.2. If a user uses an externally referenced image, when a user accesses this image, the provider of the image may obtain private …
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Medium 5.3
Apache Answer: Avatar URL leaked user email addresses
Inadequate Encryption Strength vulnerability in Apache Answer. This issue affects Apache Answer: through 1.3.5. Using the MD5 value of a user's email to access Gravatar is insecure and can lead to the leakage of user email. The official recommendation is to u…
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Medium 5.3
Apache Answer: The link for resetting user password is not Single-Use
Missing Release of Resource after Effective Lifetime vulnerability in Apache Answer. This issue affects Apache Answer: through 1.3.5. The password reset link remains valid within its expiration period even after it has been used. This could potentially lead t…
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Medium 5.3
Apache Answer: The link to reset the user's password will remain valid after sending a new link
Missing Release of Resource after Effective Lifetime vulnerability in Apache Answer. This issue affects Apache Answer: through 1.3.5. User sends multiple password reset emails, each containing a valid link. Within the link's validity period, this could potent…
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Medium 4.6
Apache Answer: XSS vulnerability when changing personal website
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache Answer.This issue affects Apache Answer: before 1.3.0. XSS attack when user changes personal website. A logged-in user, when modifying their personal …
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Medium 5.4
Apache Answer: XSS vulnerability when submitting summary
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache Answer.This issue affects Apache Answer: through 1.2.1. XSS attack when user enters summary. A logged-in user, when modifying their own submitted ques…
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Medium 5.9
Apache Answer: Repeated submission at registration created duplicate users with the same name
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Answer.This issue affects Apache Answer: through 1.2.1. Repeated submission during registration resulted in the registration of the same user. …