CVE-2026-82601

2.1 lowEPSS 0.4%

Low (2.1). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

2.1 low

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
CWEs: CWE-79, CWE-94
Published: 2026-08-31
Modified: 2026-08-31
Record from: the NVD, synced 2026-10-19

References

https://github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d54860153321df271280daec262/c-007-errtxt-reflected-xss.md
https://vuldb.com/cve/CVE-2026-82601
https://vuldb.com/submit/892786
https://vuldb.com/vuln/397103
https://vuldb.com/vuln/397103/cti

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