CVE-2026-104470

Summary

YesWiki before 4.6.7 contains a server-side request forgery vulnerability in the Bazar valeur action that allows page editors to make the server fetch arbitrary URLs. Attackers can supply loopback or internal URLs in the url parameter to probe internal services and inject unescaped remote HTML that executes scripts in viewers' browsers.

Affected Software

Weaknesses

• CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rvf-7pwm-6j44

References

• https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rvf-7pwm-6j44
• https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-ssrf-and-xss-via-bazar-valeur-action

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