CVE-2026-104452 YesWiki before 4.6.7 CSRF Attachment Deletion via filemanager Handler
Attackers can trick logged-in users into deleting page attachments via CSRF in YesWiki's filemanager handler.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-104452?
CVE-2026-104452 is a medium-severity vulnerability in yeswiki, published on 2 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the filemanager page handler, which deletes page attachments on GET requests without validating a CSRF token. Attackers can lure a logged-in page owner or administrator into a top-level GET navigation with do=del, erase, or emptytrash, deleting or permanently purging the page's attachments.
Weakness: CWE-352
Which versions are affected by CVE-2026-104452?
How do I fix CVE-2026-104452?
No fix has been published for CVE-2026-104452 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-104452 being exploited?
There is no known exploitation of CVE-2026-104452 in the wild and no public exploit code.
Sources
Also known as GHSA-5344-2mcm-gmvq, GHSA-7m4h-m7qm-hc32.