CVE-2026-2987

MEDIUM
2026-03-12 [email protected]
6.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 19:57 vuln.today
CVE Published
Mar 12, 2026 - 13:16 nvd
MEDIUM 6.1

Tags

WordPress XSS

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.

Analysis

Unauthenticated attackers can inject malicious scripts into WordPress sites running the Simple Ajax Chat plugin (versions up to 20260217) through improper sanitization of the 'c' parameter, allowing arbitrary JavaScript execution in victim browsers. The vulnerability affects any user viewing an injected page and requires no user interaction beyond normal site access. …

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Remediation

Within 30 days: Identify affected systems running versions and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

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Priority Score

31
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +30
POC: 0

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CVE-2026-2987 vulnerability details – vuln.today
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