CVE-2026-104441
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
Summary
YesWiki before 4.6.7 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch arbitrary hosts and ports via the {{valeur}} action's url parameter. Attackers can submit the action through the content parameter of handlers/page/render.php to probe internal HTTP services and read back response content matching fiche markup.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| YesWiki | yeswiki | 0 < 4.6.7 | affected |
| YesWiki | yeswiki | 4.6.7 | unaffected |
Weaknesses
- CWE-918: Server-Side Request Forgery (SSRF)
References
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-pghp-rrp4-q666
- https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-unauthenticated-ssrf-via-valeur-action
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