Cyber Resilience

CVE-2021-24156

MediumPublic PoC

Published: 05 April 2021

Published
05 April 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0016 37.0th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-24156 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Testimonial Rotator Project Testimonial Rotator. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 37.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Stored Cross-Site Scripting vulnerabilities in Testimonial Rotator 3.0.3 allow low privileged users (Contributor) to inject arbitrary JavaScript code or HTML without approval. This could lead to privilege escalation

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

testimonial rotator project
testimonial rotator
3.0.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References