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CVE-2026-85138— SeaCMS WeChat index.php addslashes sql injection

Quick assessment

Affected
n/a SeaCMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SeaCMS是中国SeaCMS公司开源的一款内容管理系统。 SeaCMS 13.6及之前版本存在安全漏洞，该漏洞源于WeChat Module组件weixin/index.php文件中addslashes函数对Content参数的错误操作，可能导致SQL注入。

CVSS 7.3 · High EPSS 0.41% · P34

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 7

VendorProduct Version RangeStatus
n/a SeaCMS 13.0 affected
13.1 affected
13.2 affected
13.3 affected
13.4 affected
13.5 affected
13.6 affected
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I. Basic Information for CVE-2026-85138

Vulnerability Information
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Vulnerability Title
SeaCMS WeChat index.php addslashes sql injection
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
SeaCMS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SeaCMS是中国SeaCMS公司开源的一款内容管理系统。 SeaCMS 13.6及之前版本存在安全漏洞，该漏洞源于WeChat Module组件weixin/index.php文件中addslashes函数对Content参数的错误操作，可能导致SQL注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- SeaCMS 13.0 cpe:2.3:a:seacms:seacms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-85138

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III. Intelligence Information for CVE-2026-85138

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Vendor Advisories for CVE-2026-85138 (2)

Other References for CVE-2026-85138 (2)

Same Patch Batch · n/a · 2026-09-03 · 3 CVEs total

CVE-2026-85137 7.3 HIGH SeaCMS Locoy Collector seacms_locoy_news.php parseIf code injection
CVE-2026-85135 6.3 MEDIUM ILIAS MediaPool ZipAdapter.php uploadMultipleSubtitleFileObject unrestricted upload

IV. Related Vulnerabilities

Same product: SeaCMS
Same vendor: n/a
Same weakness: CWE-89

V. Comments for CVE-2026-85138

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