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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Yeswiki Subscribe
Yeswiki Subscribe

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-pghp-rrp4-q666 cve-icon cve-icon
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-unauthenticated-ssrf-via-valeur-action cve-icon cve-icon
History

Fri, 02 Oct 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Title YesWiki before 4.6.7 Unauthenticated SSRF via valeur Action
First Time appeared Yeswiki
Yeswiki yeswiki
Weaknesses CWE-918
CPEs cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:*
Vendors & Products Yeswiki
Yeswiki yeswiki
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.9, 'vector': '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'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-02T11:38:16.415Z

Reserved: 2026-10-02T00:53:03.851Z

Link: CVE-2026-104441

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-02T12:17:14.997

Modified: 2026-10-02T12:17:15.110

Link: CVE-2026-104441

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses