CVE-2021-39599

Name: CVE-2021-39599
Creator: NVD / NIST
Published: 2021-08-23T23:15:16.74+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2021-39599 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Multiple Cross Site Scripting (XSS) vulnerabilities exists in CXUUCMS 3.1 in the search and c parameters in (1) public/search.php and in the (2) c parameter in admin.php.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

Multiple Cross Site Scripting (XSS) vulnerabilities exists in CXUUCMS 3.1 in the search and c parameters in (1) public/search.php and in the (2) c parameter in admin.php.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.64%

46.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Cxuu	Cxuucms	3.1

References

https://github.com/cbkhwx/cxuucmsv3/issues/7Exploit, Issue Tracking, Third Party Advisory
https://github.com/cbkhwx/cxuucmsv3/issues/7Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Aug 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39599?

Multiple Cross Site Scripting (XSS) vulnerabilities exists in CXUUCMS 3.1 in the search and c parameters in (1) public/search.php and in the (2) c parameter in admin.php.

How severe is CVE-2021-39599?

CVE-2021-39599 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39599?

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-2021-39599?

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

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Source: NVD / NIST