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High · 7.1 CVE-2026-34598 EUVD-2026-18458GHSA-37fq-47qj-6j5j

YesWiki has Persistant Blind XSS at "/?BazaR&vue=consulter"

Published Apr 2, 2026 · Updated Apr 2, 2026 · Assigned by GitHub_M

Description

YesWiki is a wiki system written in PHP. Prior to version 4.6.0, a stored and blind XSS vulnerability exists in the form title field. A malicious attacker can inject JavaScript without any authentication via a form title that is saved in the backend database. When any user visits that injected page, the JavaScript payload gets executed. This issue has been patched in version 4.6.0.

Affected products

VendorProductAffectedFixed
YesWiki yeswiki < 4.6.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist yeswiki/yeswiki < 4.6.0 4.6.0 GHSA-37fq-47qj-6j5j

References