CVE-2026-104447: YesWiki before 4.6.7 CSRF Package Deletion via autoupdate UpdateAction

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-02 · updated 2026-10-02
Weakness: CWE-352

Description

YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the autoupdate UpdateAction that allows attackers to delete installed packages via unprotected GET requests. Attackers can lure a logged-in administrator to a crafted link with action=delete and a package parameter to remove extensions like bazar, breaking core site functionality.

Affected products

yeswiki: before 4.6.7 — fixed in 4.6.7

How to fix

Upgrade to a fixed version: yeswiki 4.6.7. Check the vendor advisory for mitigations.

References

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-jp5c-grgj-624x
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-csrf-package-deletion-via-autoupdate-updateaction
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-jp5c-grgj-624x

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