CVE-2026-104452

Medium

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.

SeverityMedium

CVSS5.4

Exploit probability—

Product

Yeswiki

PublishedOct 2, 2026

First seenOct 2, 2026

Weakness typeCWE-352Cross-site request forgery (CSRF)

How to fix

Update

YesWiki yeswiki4.6.7 or later

Vendor advisories

github.com/YesWiki/yeswiki/security/advisories/GHSA-7m4h-m7qm-hc32

Affected products

Product	Affected versions	Fixed in
YesWiki yeswiki	v < 4.6.7	4.6.7

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