Name: CVE-2026-2811: Improper Neutralization of CRLF Sequences in HTTP Headers
Creator: Rapid7
Published: 2026-09-02T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-2811, CWE-113, CVSS 5.4, EPSS 0.00275

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.

CVSS Details

CVSS 3.1 Base Score: 5.4
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Wp Ajaxify Comments Plugin	—	Update wp-ajaxify-comments plugin to version 3.2, or a newer patched version	Oct 30, 2026	Feb 27, 2026

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CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence