CVE-2021-24135 - Unvalidated Input And Lack Of Output Encoding In The Wp Customer Reviews Plugin
CVE-2021-24135
Unvalidated input and lack of output encoding in the WP Customer Reviews WordPress plugin, versions before 3.4.3, lead to multiple Stored Cross-Site Scripting vulnerabilities allowing remote attackers to inject arbitrary JavaScript code or HTML.
CVE-2021-24135
MEDIUM
CVSS 6.1
Published 2021-03-18
Updated 2024-11-21
AI Risk Moderate (53/100)
Active Exploit: No strong signal
Published Exploit: No public exploit references
Priority: P4 Planned
Severity Band
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected Components
2
Reference Links
1
AI Risk Engine
Moderate (53/100)
Exploitability
Medium
Active Exploitation
No strong signal
Published Exploit Status
No public exploit references
AI Context
Machine-generated threat intelligence
AI
Updated 4 days ago
AI enriched 4 days ago (2026-04-12 02:57 UTC)
Technical Summary
Unvalidated input and lack of output encoding in the WP Customer Reviews WordPress plugin, versions before 3.4.3, lead to multiple Stored Cross-Site Scripting vulnerabilities allowing remote attackers to inject arbitrary JavaScript code or HTML.
Potential Impact
Severity is MEDIUM (CVSS 6.1). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.
Exploitability Assessment
Exploitability is assessed as Medium based on severity and technical exposure profile.
Primary risk drivers: severity and technical exposure profile
Mitigation Recommendations
Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.
Detection & Monitoring
Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.
Business Impact Lens
AI risk score 53/100 (Moderate, Medium) with priority P4 Planned. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.