CVE-2021-24156

Name: CVE-2021-24156
Creator: NVD / NIST
Published: 2021-04-05T19:15:14.78+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2021-24156 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.69%

48.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Testimonial Rotator Project	Testimonial Rotator	3.0.3

References

https://mega.nz/file/ftVSmRCC#ctqUg89CKszEuLO3eeQVazUStTPvoQD6LlbWNSMa7uAExploit, Third Party Advisory
https://wpscan.com/vulnerability/8b6f4a77-4008-4730-9a91-fa055a8b3e68Exploit, Third Party Advisory
https://mega.nz/file/ftVSmRCC#ctqUg89CKszEuLO3eeQVazUStTPvoQD6LlbWNSMa7uAExploit, Third Party Advisory
https://wpscan.com/vulnerability/8b6f4a77-4008-4730-9a91-fa055a8b3e68Exploit, Third Party Advisory

Timeline

Published: Apr 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24156?

How severe is CVE-2021-24156?

CVE-2021-24156 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24156?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24156?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST