CVE-2021-39268

Name: CVE-2021-39268
Creator: NVD / NIST
Published: 2021-08-18T01:15:06.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.37%

Last modified Jun 17, 2026

CVE-2021-39268 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Persistent cross-site scripting (XSS) in the web interface of SuiteCRM before 7.11.19 allows a remote attacker to introduce arbitrary JavaScript via malicious SVG files. This occurs because the clean_file_output protection mechanism can be bypassed.. EPSS estimates a 1.37% chance of exploitation in the next 30 days.

Description

Persistent cross-site scripting (XSS) in the web interface of SuiteCRM before 7.11.19 allows a remote attacker to introduce arbitrary JavaScript via malicious SVG files. This occurs because the clean_file_output protection mechanism can be bypassed.

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

1.37%

68.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Salesagility	Suitecrm	< 7.11.19

References

https://docs.suitecrm.com/admin/releases/7.11.x/#_7_11_19Release Notes, Vendor Advisory
https://github.com/salesagility/SuiteCRMProduct, Third Party Advisory
https://thanhlocpanda.wordpress.com/2021/07/31/stored-xss-via-svg-on-suitecrm/Exploit, Third Party Advisory
https://docs.suitecrm.com/admin/releases/7.11.x/#_7_11_19Release Notes, Vendor Advisory
https://github.com/salesagility/SuiteCRMProduct, Third Party Advisory
https://thanhlocpanda.wordpress.com/2021/07/31/stored-xss-via-svg-on-suitecrm/Exploit, Third Party Advisory

Timeline

Published: Aug 18, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39268?

How severe is CVE-2021-39268?

CVE-2021-39268 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.37% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39268?

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-2021-39268?

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

Scan your code now

Source: NVD / NIST