CVE-2023-6902: codelyfe Stupid Simple CMS upload.php unrestricted upload

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-12-17 · updated 2026-06-17
Weakness: CWE-434

Description

A vulnerability has been found in codelyfe Stupid Simple CMS up to 1.2.4 and classified as critical. This vulnerability affects unknown code of the file /file-manager/upload.php. The manipulation of the argument file leads to unrestricted upload. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-248260.

Affected products

codelyfe Stupid Simple CMS: through 1.2.4

References

https://github.com/g1an123/POC/blob/main/Unauthorized%20file%20upload%20getshell.md
https://vuldb.com/?ctiid.248260
https://vuldb.com/?id.248260
https://github.com/g1an123/POC/blob/main/Unauthorized%20file%20upload%20getshell.md
https://vuldb.com/?ctiid.248260
https://vuldb.com/?id.248260

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