VulnerabilityDeferred

CVE-2026-82601

A weakness has been identified in SeaCMS up to 13.6.

LOW 2.1EPSS 0.28%

Does this matter?

Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 4.0: 2.1 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.28% probability · 20th percentile
CISA KEV: Not listed
Weakness: CWE-79, CWE-94
Source: cna@vuldb.com

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.