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CVE-2026-4542— SSCMS layerImage Endpoint LayerImageController.Submit.cs path traversal

Quick assessment

Affected
n/a SSCMS
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.

SSCMS（SiteServerCMS）是中国百容千域（SSCMS）公司的一个内容管理系统。 SSCMS 4.7.0版本存在路径遍历漏洞，该漏洞源于对layerImage端点组件中文件LayerImageController.Submit.cs的参数filePaths的错误操作，可能导致路径遍历。

CVSS 5.4 · Medium EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4542

Vulnerability Information
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Vulnerability Title
SSCMS layerImage Endpoint LayerImageController.Submit.cs path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in SSCMS 4.7.0. The affected element is an unknown function of the file LayerImageController.Submit.cs of the component layerImage Endpoint. Such manipulation of the argument filePaths leads to path traversal. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
SSCMS 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SSCMS（SiteServerCMS）是中国百容千域（SSCMS）公司的一个内容管理系统。 SSCMS 4.7.0版本存在路径遍历漏洞，该漏洞源于对layerImage端点组件中文件LayerImageController.Submit.cs的参数filePaths的错误操作，可能导致路径遍历。
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
- SSCMS 4.7.0 cpe:2.3:a:sscms:sscms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4542

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III. Intelligence Information for CVE-2026-4542

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Vendor Advisories for CVE-2026-4542 (2)

Other References for CVE-2026-4542 (1)

Same Patch Batch · n/a · 2026-03-22 · 7 CVEs total

CVE-2026-4562 7.3 HIGH MacCMS Timming API Endpoint Timming.php weak authentication
CVE-2026-4538 5.3 MEDIUM PyTorch pt2 Loading deserialization
CVE-2026-4531 5.3 MEDIUM Free5GC AMF handler.go HandleRegistrationComplete denial of service
CVE-2026-4563 4.3 MEDIUM MacCMS Member Order Detail User.php order_info authorization
CVE-2026-4115 3.7 LOW PuTTY Ed25519 Signature ecc-ssh.c eddsa_verify signature verification
CVE-2026-4539 3.3 LOW pygments archetype.py AdlLexer redos

IV. Related Vulnerabilities

Same product: SSCMS
Same vendor: n/a
Same weakness: CWE-22

V. Comments for CVE-2026-4542

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