CVE-2026-104441
YesWiki before 4.6.7 Unauthenticated SSRF via valeur Action
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 2, 2026
- Updated
- Oct 6, 2026
- Reserved
- Oct 2, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
yeswikiYesWiki |
|
References
- GitHub Security Advisory (GHSA-pghp-rrp4-q666)vendor-advisory
- VulnCheck Advisory: YesWiki before 4.6.7 Unauthenticated SSRF via valeur Actionthird-party-advisory
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