Medium severity · published Oct 4, 2026
CVE-2026-105224
YesWiki before 4.6.7 Stored XSS via Bazar valeur Action
5.4
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
YE
yeswiki · YesWiki
before 4.6.7 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105224
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105224
vendor-advisory
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rvf-7pwm-6j44
patch
https://github.com/YesWiki/yeswiki/commit/22a5260b0381824e01d340ce9457c4adb9e18b23
third-party-advisory
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-stored-xss-via-bazar-valeur-action
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