CVE-2026-104446
YesWiki before 4.6.7 contains an authentication bypass in the contact mail AJAX handler that allows…
- Risk score
- 46/100
- CVSS
- 6.5 v3.1
- Exploit chance (30 days)
- 0.4%
- Published
- 2 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 …
- Affected
- See advisory
- Fix
- Upgrade the product to 4.6.7 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.5 medium
References
Original 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.
Last activity 2 Oct 2026. Patch Forecast updates every hour.