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SeaCMS CVE-2026-85138

| EUVDEUVD-2026-70534 MEDIUM
SQL Injection (CWE-89)
2026-09-03 VulDB GHSA-28pq-qxmx-m883
5.5
CVSS 4.0 · Vendor: VulDB
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Severity by source

Vendor (VulDB) PRIMARY
5.5 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
7.3 HIGH

WeChat callback endpoint is network-exposed and unauthenticated; SQL injection impact is scoped to the handler's query context rather than full database administrative access.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Sep 03, 2026 - 16:27 vuln.today
CVSS changed
Sep 03, 2026 - 16:22 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
CVE Published
Sep 03, 2026 - 15:45 cve.org
MEDIUM 5.5

DescriptionCVE.org

A vulnerability was detected in SeaCMS up to 13.6. Affected is the function addslashes of the file weixin/index.php of the component WeChat Module. The manipulation of the argument Content results in sql injection. The attack may be launched remotely. The exploit is now public and may be used.

AnalysisAI

SQL injection in SeaCMS's WeChat integration module allows remote unauthenticated attackers to manipulate database queries through the Content parameter processed in weixin/index.php. Versions up to and including 13.6 are confirmed affected, and a public proof-of-concept exploit has been published on GitHub. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation The WeChat Module must be installed and its endpoint (`weixin/index.php`) must be publicly reachable over HTTP/HTTPS. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) marks this as remotely exploitable with no authentication and no special conditions, which is a significant exposure posture. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch version has been identified at the time of this analysis; a fix version is not confirmed in any available reference. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-85138 vulnerability details – vuln.today

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