Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-16343

24
FAUCET Score

CVE-2018-16343 is a critical arbitrary code execution vulnerability affecting SeaCMS 6.61, stemming from insufficient sanitization of the $GLOBALS variable within the parseIf() function in include/main.class.php. With a CVSS score of 7.2 (High), this vulnerability allows authenticated remote attackers to achieve full compromise of confidentiality, integrity, and availability with low attack complexity. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting it is not widely known or exploited in the wild.

Impacted Technologies

VendorProductVersion(s)CPE
6.61CPE matchmatch criteria
cpe:2.3:a:seacms:seacms:6.61:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.2HIGH

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.70%
Probability of exploitation in next 30 days
EPSS Percentile
84.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0270 is in the 82nd percentile among its peer group of 5,538 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / cumtxujiabin/CmsPoc/blob/master/Seacms_v6.61_backend_RCE.md
ExploitThird Party Advisory
zhinianyuxin.postach.io / post/seacms-v6-61-latest-version-backend-rce
ExploitThird Party Advisory