CVE-2022-4300: FastCMS Template edit injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-12-06 · updated 2026-06-17
Weakness: CWE-707

Description

A vulnerability was found in FastCMS. It has been rated as critical. This issue affects some unknown processing of the file /template/edit of the component Template Handler. The manipulation leads to injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-214901 was assigned to this vulnerability.

Affected products

FastCMS: all versions

References

https://github.com/Ha0Liu/cveAdd/blob/developer/fastcms%E6%A8%A1%E7%89%88%E6%B3%A8%E5%85%A5/fastcms%20template%20injection%20vulnerability.md
https://vuldb.com/?id.214901
https://github.com/Ha0Liu/cveAdd/blob/developer/fastcms%E6%A8%A1%E7%89%88%E6%B3%A8%E5%85%A5/fastcms%20template%20injection%20vulnerability.md
https://vuldb.com/?id.214901

Get alerted when CVE-2022-4300 or the next vulnerability affects your stack