CVE-2024-40518: SeaCMS · Improper Input Validation
Source CVE Database V5
Not known to be exploited · CVSS 7.2 High.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 1.1% chance of exploitation in 30 days – higher than 67% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 12 Jul 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
To mitigate CVE-2024-40518, organizations should first restrict and monitor administrative access to SeaCMS, enforcing strong authentication mechanisms such as multi-factor authentication (MFA) to reduce the risk of credential compromise. Network segmentation should be applied to limit access to the admin interface only to trusted IP addresses. Employing web application firewalls (WAFs) with custom rules to detect and block suspicious payloads targeting this vulnerability can provide temporary protection. Regularly audit logs for unusual administrative activity and conduct penetration testing to identify exploitation attempts. Organizations should subscribe to SeaCMS vendor updates and CVE databases to apply patches promptly once released. Additionally, consider isolating the SeaCMS environment and backing up critical data to enable rapid recovery if compromise occurs.
Description
SeaCMS 12.9 has a remote code execution vulnerability. The vulnerability is caused by admin_weixin.php directly splicing and writing the user input data into weixin.php without processing it, which allows authenticated attackers to exploit the vulnerability to execute arbitrary commands and obtain system permissions.