Vulnerability Description
YesWiki before 4.6.7 contains an authentication bypass in the contact mail AJAX handler that allows unauthenticated attackers to send email through the wiki's SMTP server. Attackers can POST an XMLHttpRequest to the mail handler without field or type parameters, supplying arbitrary recipient, sender, subject and body for spam and phishing.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-36fx-49jj-57rw
- https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-unauthenticated-open-m
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-36fx-49jj-57rw
FAQ
What is CVE-2026-104446?
CVE-2026-104446 is a vulnerability with a CVSS score of 6.5 (MEDIUM). YesWiki before 4.6.7 contains an authentication bypass in the contact mail AJAX handler that allows unauthenticated attackers to send email through the wiki's SMTP server. Attackers can POST an XMLHtt...
How severe is CVE-2026-104446?
CVE-2026-104446 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-104446?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.