What is CVE-2026-82601?

CVE-2026-82601 is a medium-severity vulnerability in Seacms, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-08-31.

How severe is CVE-2026-82601?

Medium severity. CVSS v3 base score is 4.3 out of 10.

RCE in Seacms

CVE-2026-82601

A weakness has been identified in SeaCMS up to 13.6. This affects an unknown part of the file /err.php. Executing a manipulation of the argument errtxt can lead to cross site scripting. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

N/a Seacms — versions 13.0, 13.1, 13.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-82601?: CVE-2026-82601 is a medium-severity vulnerability in Seacms, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-08-31.
How severe is CVE-2026-82601?: Medium severity. CVSS v3 base score is 4.3 out of 10.