CVE-2021-27237

Public Exploit

Description

The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.34%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory exploit-db.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/BlackCatDevelopment/BlackCatCMS/commits/release-1.4/upload/backend/preferences/ajax_save.php third party advisory patch
https://github.com/BlackCatDevelopment/BlackCatCMS/compare/1.3.6...1.4Beta third party advisory patch
https://www.exploit-db.com/exploits/49565 exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27237?
CVE-2021-27237 has been scored as a medium severity vulnerability.
How to fix CVE-2021-27237?
To fix CVE-2021-27237, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27237 being actively exploited in the wild?
It is possible that CVE-2021-27237 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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