YesWiki before 4.7.0 contains a cross-site request forgery vulnerability in the despam action (tools/security/actions/despam.php) that lets unauthenticated attackers delete or restore pages through an administrator's session. Attackers can plant an auto-submitting raw HTML form on a wiki page, so an administrator who views it posts clean, suppr[], or rev[] parameters that delete PagePrincipale, configuration pages, or overwrite current content.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Sun, 25 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
Description YesWiki before 4.7.0 contains a cross-site request forgery vulnerability in the despam action (tools/security/actions/despam.php) that lets unauthenticated attackers delete or restore pages through an administrator's session. Attackers can plant an auto-submitting raw HTML form on a wiki page, so an administrator who views it posts clean, suppr[], or rev[] parameters that delete PagePrincipale, configuration pages, or overwrite current content.
Title YesWiki before 4.7.0 CSRF via despam Admin Action
First Time appeared Yeswiki
Yeswiki yeswiki
Weaknesses CWE-352
CPEs cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:*
Vendors & Products Yeswiki
Yeswiki yeswiki
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H'}

cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-25T13:20:35.206Z

Reserved: 2026-10-25T12:27:58.644Z

Link: CVE-2026-116204

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-25T14:17:01.350

Modified: 2026-10-25T14:17:01.467

Link: CVE-2026-116204

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-25T18:15:14Z

Weaknesses