CVE-2026-91092: CWE-862 Missing Authorization in tomdever wpForo Forum
The wpForo Forum plugin for WordPress contains an authorization bypass vulnerability in all versions up to and including 3.1.5. This flaw allows authenticated users with subscriber-level access or higher to modify guest authors' forum posts, including the title, body, author name, and stored owner email address. Exploitation requires that guest posting and editing features are enabled and that the attacker knows the target guest author's email address.
AI Analysis
Technical Summary
CVE-2026-91092 is an authorization bypass vulnerability (CWE-862) in the wpForo Forum WordPress plugin. The plugin fails to properly verify user authorization for certain actions, enabling authenticated attackers with subscriber-level privileges or above to take over and modify guest author posts. The vulnerability affects all versions from initial release through 3.1.5. Exploitation requires guest posting and editing to be enabled and knowledge of the guest author's email address.
Potential Impact
An attacker with subscriber-level access can modify guest author posts, changing the post's title, body, author name, and stored owner email address. This could lead to unauthorized content alteration and potential misinformation within the forum. There is no indication of confidentiality or availability impact. No known exploits are reported in the wild.
Mitigation Recommendations
No official patch or fix is currently available. Users should verify the vendor advisory for updates. Until a fix is released, consider disabling guest posting and editing features to mitigate the risk. Restrict subscriber-level user privileges where possible to reduce exposure.
CVE-2026-91092: CWE-862 Missing Authorization in tomdever wpForo Forum
Description
The wpForo Forum plugin for WordPress contains an authorization bypass vulnerability in all versions up to and including 3.1.5. This flaw allows authenticated users with subscriber-level access or higher to modify guest authors' forum posts, including the title, body, author name, and stored owner email address. Exploitation requires that guest posting and editing features are enabled and that the attacker knows the target guest author's email address.
CVSS v3.1
Score 4.3medium
Affected software
tomdever
wpForo Forum
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-91092 is an authorization bypass vulnerability (CWE-862) in the wpForo Forum WordPress plugin. The plugin fails to properly verify user authorization for certain actions, enabling authenticated attackers with subscriber-level privileges or above to take over and modify guest author posts. The vulnerability affects all versions from initial release through 3.1.5. Exploitation requires guest posting and editing to be enabled and knowledge of the guest author's email address.
Potential Impact
An attacker with subscriber-level access can modify guest author posts, changing the post's title, body, author name, and stored owner email address. This could lead to unauthorized content alteration and potential misinformation within the forum. There is no indication of confidentiality or availability impact. No known exploits are reported in the wild.
Mitigation Recommendations
No official patch or fix is currently available. Users should verify the vendor advisory for updates. Until a fix is released, consider disabling guest posting and editing features to mitigate the risk. Restrict subscriber-level user privileges where possible to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-09-14T18:11:51.829Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ab23646f7a7c54106e0460c
Added to database: 09/22/2026, 08:03:18 UTC
Last enriched: 09/22/2026, 08:18:59 UTC
Last updated: 09/22/2026, 18:52:05 UTC
Views: 13
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