CVE-2021-39404

Name: CVE-2021-39404
Creator: NVD / NIST
Published: 2021-09-22T13:15:07.827+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2021-39404 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. MaianAffiliate v1.0 allows an authenticated administrative user to save an XSS to the database.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

MaianAffiliate v1.0 allows an authenticated administrative user to save an XSS to the database.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.51%

39.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Maianaffiliate	Maianaffiliate	1.0

References

https://github.com/mari0x00/MaianAffiliate-Code-execution-and-XSSExploit, Third Party Advisory
https://github.com/mari0x00/MaianAffiliate-Code-execution-and-XSSExploit, Third Party Advisory

Timeline

Published: Sep 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39404?

MaianAffiliate v1.0 allows an authenticated administrative user to save an XSS to the database.

How severe is CVE-2021-39404?

CVE-2021-39404 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39404?

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-2021-39404?

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

Scan your code now

Source: NVD / NIST