CVE-2024-42939

Name: CVE-2024-42939
Creator: NVD / NIST
Published: 2024-08-21T05:15:14.92+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2024-42939 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A cross-site scripting (XSS) vulnerability in the component /index/index.html of YZNCMS v1.4.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the configured remarks text field.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

A cross-site scripting (XSS) vulnerability in the component /index/index.html of YZNCMS v1.4.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the configured remarks text field.

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

0.31%

22.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Yzncms	Yzncms	1.4.2

References

https://github.com/tcyba/open_vul/blob/main/yzncms%20has%20a%20storage%20xss%20vulnerability.pdfExploit, Third Party Advisory

Timeline

Published: Aug 21, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-42939?

How severe is CVE-2024-42939?

CVE-2024-42939 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2024-42939?

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-2024-42939?

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

Scan your code now

Source: NVD / NIST