YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the admintag action that allows attackers to delete tag associations by… (CVE-2026-104453)
YesWiki versions prior to 4.6.7 have a cross-site request forgery (CSRF) vulnerability in the admintag action. This flaw allows attackers to trick administrators into clicking crafted GET links that delete tag associations. The vulnerability exploits the SameSite=Lax cookie behavior to perform bulk deletion of tag triples via the delete_tag parameter.
AI Analysis
Technical Summary
The vulnerability in YesWiki before version 4.6.7 is a CSRF issue affecting the admintag action. Attackers can supply a wide range of IDs in the delete_tag parameter through top-level navigation links. When an administrator visits such a crafted link, the browser sends the admin cookie with SameSite=Lax policy, enabling unauthorized deletion of tag associations. This vulnerability allows attackers to manipulate tag data without needing direct privileges or interaction beyond the administrator clicking a malicious link.
Potential Impact
Exploitation results in unauthorized deletion of tag associations within YesWiki, impacting data integrity. The vulnerability does not affect confidentiality but can cause loss of tag-related information and potentially disrupt wiki content organization. The CVSS score of 5.4 (medium severity) reflects limited impact on confidentiality but notable impact on integrity and availability.
Mitigation Recommendations
A fix is available in YesWiki version 4.6.7. Users should upgrade to version 4.6.7 or later to remediate this CSRF vulnerability. Until patched, administrators should avoid clicking untrusted links that could trigger the admintag action. No vendor advisory or patch link was provided, so verify the patch status with official YesWiki sources.
YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the admintag action that allows attackers to delete tag associations by… (CVE-2026-104453)
Description
YesWiki versions prior to 4.6.7 have a cross-site request forgery (CSRF) vulnerability in the admintag action. This flaw allows attackers to trick administrators into clicking crafted GET links that delete tag associations. The vulnerability exploits the SameSite=Lax cookie behavior to perform bulk deletion of tag triples via the delete_tag parameter.
CVSS v3.1
Score 5.4medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in YesWiki before version 4.6.7 is a CSRF issue affecting the admintag action. Attackers can supply a wide range of IDs in the delete_tag parameter through top-level navigation links. When an administrator visits such a crafted link, the browser sends the admin cookie with SameSite=Lax policy, enabling unauthorized deletion of tag associations. This vulnerability allows attackers to manipulate tag data without needing direct privileges or interaction beyond the administrator clicking a malicious link.
Potential Impact
Exploitation results in unauthorized deletion of tag associations within YesWiki, impacting data integrity. The vulnerability does not affect confidentiality but can cause loss of tag-related information and potentially disrupt wiki content organization. The CVSS score of 5.4 (medium severity) reflects limited impact on confidentiality but notable impact on integrity and availability.
Mitigation Recommendations
A fix is available in YesWiki version 4.6.7. Users should upgrade to version 4.6.7 or later to remediate this CSRF vulnerability. Until patched, administrators should avoid clicking untrusted links that could trigger the admintag action. No vendor advisory or patch link was provided, so verify the patch status with official YesWiki sources.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-x3mc-2q4x-cvvm
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-104453"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6abfee8aa43b0b3b89e54bf3
Added to database: 10/02/2026, 17:48:58 UTC
Last enriched: 10/02/2026, 17:58:18 UTC
Last updated: 10/02/2026, 21:45:58 UTC
Views: 3
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