CVE-2021-36787

Name: CVE-2021-36787
Creator: NVD / NIST
Published: 2021-08-13T17:15:16.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.33%

Last modified Jun 17, 2026

CVE-2021-36787 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The femanager extension before 5.5.1 and 6.x before 6.3.1 for TYPO3 allows XSS via a crafted SVG document.. EPSS estimates a 1.33% chance of exploitation in the next 30 days.

Description

The femanager extension before 5.5.1 and 6.x before 6.3.1 for TYPO3 allows XSS via a crafted SVG document.

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

1.33%

67.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
In2code	Femanager	< 5.5.1
In2code	Femanager	>= 6.0.0, < 6.3.1

References

http://packetstormsecurity.com/files/165675/TYPO3-femanager-6.3.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2022/Jan/53Exploit, Mailing List, Third Party Advisory
https://typo3.org/help/security-advisories/securityThird Party Advisory
https://typo3.org/security/advisory/typo3-ext-sa-2021-010Patch, Third Party Advisory
http://packetstormsecurity.com/files/165675/TYPO3-femanager-6.3.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2022/Jan/53Exploit, Mailing List, Third Party Advisory
https://typo3.org/help/security-advisories/securityThird Party Advisory
https://typo3.org/security/advisory/typo3-ext-sa-2021-010Patch, Third Party Advisory

Timeline

Published: Aug 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36787?

The femanager extension before 5.5.1 and 6.x before 6.3.1 for TYPO3 allows XSS via a crafted SVG document.

How severe is CVE-2021-36787?

CVE-2021-36787 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.33% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36787?

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-2021-36787?

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

Scan your code now

Source: NVD / NIST