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.

CVSS 4.0

5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2026-10-04

Modified

2026-10-05

Record from

the NVD, synced 2026-10-19

References

• https://github.com/YesWiki/yeswiki/commit/22a5260b0381824e01d340ce9457c4adb9e18b23
• https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rvf-7pwm-6j44
• https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-stored-xss-via-bazar-valeur-action
• https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rvf-7pwm-6j44

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