The Simple Ajax Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'c' parameter in versions up to, and including, 20260217 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Fixes

Solution

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Workaround

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History

Thu, 12 Mar 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 12 Mar 2026 12:45:00 +0000

Type Values Removed Values Added
Description The Simple Ajax Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'c' parameter in versions up to, and including, 20260217 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Title Simple Ajax Chat <= 20260217 - Unauthenticated Stored Cross-Site Scripting via 'c'
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-03-12T13:06:05.621Z

Reserved: 2026-02-22T18:02:43.332Z

Link: CVE-2026-2987

cve-icon Vulnrichment

Updated: 2026-03-12T13:05:58.901Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-12T13:16:14.370

Modified: 2026-03-12T21:07:53.427

Link: CVE-2026-2987

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses