CVE-2021-24136 - CVE House
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Status published Medium CVE-2021-24136

Testimonials Widget < 4.0.0 - Multiple Authenticated Stored XSS

Vulnerability Description

Unvalidated input and lack of output encoding in the Testimonials Widget WordPress plugin, versions before 4.0.0, lead to multiple Cross-Site Scripting vulnerabilities, allowing remote attackers to inject arbitrary JavaScript code or HTML via the below parameters: - Author - Job Title - Location - Company - Email - URL

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Nguyen Anh Tien - SunCSR (Sun* Cyber Security Research)

References

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Affected Vendor

Affected Software

Testimonials Widget
Vulnerable Versions:
4.0.0

Timeline

Official Publish: March 18th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact