SQL Injection Vulnerability in SeaCMS WeChat Module
CVE-2026-85138

6.9MEDIUM

Key Information:

Vendor

SeaCMS

Status
Seacms
Vendor
CVE Published:
3 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-85138?

A vulnerability has been identified in the WeChat Module of SeaCMS versions up to 13.6, specifically within the addslashes function in weixin/index.php. By manipulating the Content argument, attackers can perform a SQL injection attack, potentially allowing them to access, modify, or delete database entries. This flaw can be exploited remotely, bringing heightened risk to users and organizations utilizing this platform. The details of the exploit are now publicly available, emphasizing the need for immediate attention and mitigation strategies.

Affected Version(s)

SeaCMS 13.0

SeaCMS 13.1

SeaCMS 13.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-85138 - Proof of Concept

References

https://vuldb.com/vuln/398365
vdb-entrytechnical-description
https://vuldb.com/vuln/398365/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-85138
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

T-Chachamaru (VulDB User)
.