CVE-2026-104453

Description

YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the admintag action that allows attackers to delete tag associations by luring administrators to crafted GET links. Attackers can supply a wide id range in the delete_tag parameter via top-level navigation, carrying the SameSite=Lax admin cookie, to bulk-delete tag triples.

CVSS Vector

References

• https://github.com/YesWiki/yeswiki/security/advisories/GHSA-5c27-6gcm-hc7x
• https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-csrf-tag-deletion-via-admintag-action