CVE-2026-105224

Medium

Description

YesWiki before 4.6.7 contains a cross-site scripting vulnerability in the Bazar valeur action that allows page editors to inject script by rendering unescaped HTML fetched from a remote URL. Attackers can point tools/bazar/actions/valeur.php at a controlled server returning BAZ_fiche_titre markup with an img onerror handler, executing script in every viewer's browser.

SeverityMedium

CVSS5.4

Exploit probability—

Product

Yeswiki

PublishedOct 4, 2026

First seenOct 4, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

YesWiki yeswiki4.6.7 or later

Patches

github.com/YesWiki/yeswiki/commit/22a5260b0381824e01d340ce9457c4adb9e18b23

Vendor advisories

github.com/YesWiki/yeswiki/security/advisories/GHSA-6rvf-7pwm-6j44

Affected products

Product	Affected versions	Fixed in
YesWiki yeswiki	v < 4.6.7	4.6.7

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