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CVE-2025-46349

High

Description

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki is vulnerable to reflected XSS in the file upload form. This vulnerability allows any malicious unauthenticated user to create a link that can be clicked on by the victim to perform arbitrary actions. This issue has been patched in version 4.5.4.

SeverityHigh
CVSS7.6
Exploit probability—
ProductYeswiki
PublishedApr 29, 2025
First seenApr 29, 2025
Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update
  • yeswiki yeswiki4.5.4 or later

Affected products

ProductAffected versionsFixed in
yeswiki yeswikiv < 4.5.44.5.4
yeswiki/yeswikiPackagistv ≤ 4.5.3—

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