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Medium · 6.1 CVE-2026-116203 EUVD-2026-109461GHSA-2cq3-2fgh-69rq

YesWiki before 4.7.0 Stored XSS via filtertags Action Parameters

Published Oct 25, 2026 · Updated Oct 26, 2026 · Assigned by VulnCheck

Description

YesWiki before 4.7.0 contains a stored cross-site scripting vulnerability in the filtertags action, which echoes attacker-controlled token values without output encoding. Anonymous attackers can inject markup via action-attribute parameters that bypasses the allow_raw_html gate, executing JavaScript for every page viewer.

Affected products

VendorProductAffectedFixed
YesWiki yeswiki < 4.7.0 4.7.0

References