CVE-2026-116822

MEDIUM 5.3

YesWiki before 4.7.0 Template Traversal via BazarListeAction template Parameter

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

YesWiki before 4.7.0 contains a path traversal vulnerability in BazarListeAction that allows unauthenticated attackers to select arbitrary templates within the @bazar Twig namespace via the template GET parameter. Attackers can append crafted template values to pages containing the bazarliste action to force unintended layouts, causing page defacement for visitors following the crafted link.

CWE	CWE-73
Vendor	yeswiki
Product	yeswiki
Published	Oct 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

YesWiki / yeswiki

0 < 4.7.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/YesWiki/yeswiki/security/advisories/GHSA-qfv2-x8g4-qg27 vulncheck.com: https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-template-traversal-via-bazarlisteaction-template-parameter

Credits

🔍 manus-pi 🔍 manus-use