CVE-2026-82601
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk20th percentile - higher than 20% of all known CVEs
Summary
SeaCMS up to 13.6 is vulnerable to cross-site scripting (XSS) in /err.php. Manipulation of the errtxt argument allows remote attack. Exploit is publicly available.
Risk Assessment
XSS attack may allow execution of malicious script in the user's browser, potentially leading to session theft or account takeover.
Recommendation
Update SeaCMS to the latest version and properly filter input in /err.php.
Other vulnerabilities in SeaCMS
See all- CVE-2026-85138High
A vulnerability was detected in SeaCMS up to 13.6. The function addslashes in the file weixin/index.php of the WeChat Module is affected. Manipulation of the argument Content results in SQL injection, which can be launched remotely.
- CVE-2017-17561High
SeaCMS version 6.56 allows remote authenticated administrators to execute arbitrary PHP code via a crafted token field to admin/admin_ping.php, which interacts with data/admin/ping.php.
- CVE-2024-54879Critical
SeaCMS V13.1 is vulnerable to Incorrect Access Control. A logic flaw can be exploited by an attacker to allow any user to recharge members indefinitely.
- CVE-2023-46010Critical
An issue in SeaCMS v.12.9 allows an attacker to execute arbitrary commands via the admin_safe.php component.
- CVE-2026-79423High
An authenticated remote code execution (RCE) vulnerability in the admin_config.php component of seacms v13.6 allows attackers to execute arbitrary code via a crafted POST request.
- CVE-2026-85137High
A security vulnerability has been detected in SeaCMS up to 13.6. The function parseIf in the file seacms_locoy_news.php of the Locoy Collector component is affected. Manipulation of the argument pwd leads to code injection, and the attack can be initiated remotely.
- CVE-2026-82603Medium
SeaCMS up to 13.6 is vulnerable to path traversal in /member.php?action=del_pl (Comment Cache component). Manipulation of itype/vid arguments allows remote attack. Exploit is public.
- CVE-2026-82602Medium
SeaCMS up to 13.6 has an authorization bypass vulnerability in /ass.php. The attack can be launched remotely. The exploit has been publicly disclosed.
- CVE-2026-82600High
A vulnerability in SeaCMS up to 13.6 in the file /zyapi.php?ac=videolist allows SQL injection through the ids argument. The attack can be initiated remotely, and the exploit is public.
- CVE-2026-82599Medium
SeaCMS up to 13.6 is vulnerable to path traversal in the unlink function in /member.php?action=chgpwdsubmit (Avatar Upload component). Manipulation of the oldpic argument allows remote attack. Exploit is publicly available.
Original NVD description (English source)
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 data from NVD (NIST) · CISA KEV · EPSS

