CVE-2026-82603: SeaCMS Comment Cache member.php del_pl path traversal

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-31 · updated 2026-09-01
Weakness: CWE-22

Description

A vulnerability was detected in SeaCMS up to 13.6. This issue affects some unknown processing of the file /member.php?action=del_pl of the component Comment Cache. The manipulation of the argument itype/vid results in path traversal. The attack may be launched remotely. The exploit is now public and may be used.

Affected products

SeaCMS: 13.0, 13.1, 13.2, 13.3, 13.4, 13.5 (+1)

References

https://github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d54860153321df271280daec262/c-008-member-del-pl-js-file-deletion.md
https://vuldb.com/cve/CVE-2026-82603
https://vuldb.com/submit/892790
https://vuldb.com/vuln/397105
https://vuldb.com/vuln/397105/cti

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