CVE-2026-105224
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.
- Score
- CVSS 3.1 5.4 Medium
- Status
- Deferred - disclosure@vulncheck.com
- Published
- 2026-10-04
- Last modified
- 2026-10-05
- Weaknesses
- CWE-79
Affected products
References
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rvf-7pwm-6j44
- https://github.com/YesWiki/yeswiki/commit/22a5260b0381824e01d340ce9457c4adb9e18b23
- https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-stored-xss-via-bazar-valeur-action
