What’s Vulnerable › Vulnerabilities

CVE-2026-104448: YesWiki before 4.6.7 CSRF Page Deletion via ajaxdeletepage Handler

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% 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 ajaxdeletepage handler, which permanently deletes a page on any GET request carrying a jsonp_callback parameter without checking a CSRF token. Attackers can lure a logged-in administrator or page owner to a crafted link to delete arbitrary pages along with their ACLs, links, triples, comments and referrers.

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-hqmg-843g-pp28
• https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-csrf-page-deletion-via-ajaxdeletepage-handler
• https://github.com/YesWiki/yeswiki/security/advisories/GHSA-hqmg-843g-pp28

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