CVE-2024-33423

Name: CVE-2024-33423
Creator: NVD / NIST
Published: 2024-05-01T20:15:12.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2024-33423 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. Cross-Site Scripting (XSS) vulnerability in the Settings menu of CMSimple v5.15 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Logout parameter under the Language section.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

Cross-Site Scripting (XSS) vulnerability in the Settings menu of CMSimple v5.15 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Logout parameter under the Language section.

Metrics

CVSS 3.1

7.4/10

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

EPSS Probability

0.56%

42.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-80

Affected Software

Vendor	Product	Versions
Cmsimple	Cmsimple	5.15

References

https://github.com/adiapera/xss_language_cmsimple_5.15Exploit, Third Party Advisory
https://github.com/adiapera/xss_language_cmsimple_5.15Exploit, Third Party Advisory

Timeline

Published: May 1, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-33423?

How severe is CVE-2024-33423?

CVE-2024-33423 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2024-33423?

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-2024-33423?

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

Scan your code now

Source: NVD / NIST