CVE-2026-116203

Medium

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.

SeverityMedium

CVSS6.1

Exploit probability—

Product

Yeswiki

PublishedOct 25, 2026

First seenOct 25, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

YesWiki yeswiki4.7.0 or later

Vendor advisories

github.com/YesWiki/yeswiki/security/advisories/GHSA-f53x-3gqx-xq76

Affected products

Product	Affected versions	Fixed in
YesWiki yeswiki	v < 4.7.0	4.7.0

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