CVE-2026-2811

Ajaxify Comments < 3.2 - Unauthenticated HTTP Header Injection

The Ajaxify Comments WordPress plugin before 3.2 is vulnerable to HTTP Header Injection due to insufficient input sanitization and output escaping on user-supplied data. This makes it possible for unauthenticated attackers to inject arbitrary HTTP headers.

Affected

Ajaxify Comments

CVSS v3.1 WPSCAN

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS

0.17% chance of exploitation in the next 30 days, 6th percentile

Published

2026-09-02

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/48250628-9b81-4bef-b623-356ceca01215/

References

• CVE Record
• NVD entry