High severity · published Sep 2, 2018
CVE-2018-16343
SeaCMS 6.61 allows remote attackers to execute arbitrary code because parseIf() in include/main.class.php does not block use of $GLOBALS
7.2
CVSS
2.7%
EPSS
No
On KEV
Description
SeaCMS 6.61 allows remote attackers to execute arbitrary code because parseIf() in include/main.class.php does not block use of $GLOBALS.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
Seacms · Seacms
6.61 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-16343
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-16343
Exploit
http://zhinianyuxin.postach.io/post/seacms-v6-61-latest-version-backend-rce
Exploit
https://github.com/cumtxujiabin/CmsPoc/blob/master/Seacms_v6.61_backend_RCE.md
More from Seacms
9.8
CVE-2025-15002
SeaCMS mysqli.class.php sql injection
9.8
CVE-2025-10662
SeaCMS admin_members.php sql injection
9.8
CVE-2025-44073
SeaCMS v13.3 was discovered to contain a SQL injection vulnerability via the component admin_comment_news.php
9.8
CVE-2025-44071
SeaCMS v13.3 was discovered to contain a remote code execution (RCE) vulnerability via the component phomebak.php
9.8
CVE-2025-44072
SeaCMS v13.3 was discovered to contain a SQL injection vulnerability via the component admin_manager.php