Ajaxify Comments < 3.2 - Unauthenticated HTTP Header Injection

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-2811
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-02 15:17:38 UTC
Updated2026-09-03 17:50:37 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

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

EPSS: 0.001650000 probability, percentile 0.060470000 (date 2026-09-07)

Problem Types: CWE-113 | CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') | CWE-113 CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
3.1CNADECLARED5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Ajaxify Comments affected 3.2 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/48250628-9b81-4bef-b623-356ceca01215 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Azmi Alsarayrah (en)

CNA: WPScan (en)

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