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DedeCMS CVE-2026-15700

| EUVDEUVD-2026-43731 LOW
Path Traversal (CWE-22)
2026-07-14 VulDB GHSA-wg6f-4fm3-8f78
Path Traversal PHP Dedecms
2.0
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.0 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
3.8 LOW

Admin-level authentication required (PR:H); path traversal yields partial file read/write (C:L/I:L) with no scope change or availability impact confirmed.

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

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

4
Severity Changed
Jul 14, 2026 - 17:22 NVD
MEDIUM LOW
CVSS changed
Jul 14, 2026 - 17:22 NVD
5.1 (MEDIUM) 2.0 (LOW)
Analysis Generated
Jul 14, 2026 - 17:01 vuln.today
CVE Published
Jul 14, 2026 - 16:15 cve.org
MEDIUM 5.1

DescriptionCVE.org

A security flaw has been discovered in DedeCMS 5.7.118. Affected by this vulnerability is the function ExtractFile of the file include/zip.class.php of the component Album Publishing Feature. The manipulation of the argument filename results in path traversal. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

AnalysisAI

Path traversal in DedeCMS 5.7.118's Album Publishing Feature allows remote attackers with administrative credentials to read or write files outside the intended extraction directory by manipulating the filename argument passed to the ExtractFile function in include/zip.class.php. A public proof-of-concept exploit has been released on GitHub, lowering the skill bar for exploitation, though no active exploitation has been confirmed in the CISA KEV catalog. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain DedeCMS admin credentials
Delivery
Authenticate to backend admin panel
Exploit
Access Album Publishing Feature
Execution
Upload archive with path-traversal filename
Persist
Trigger ExtractFile to escape extraction directory
Impact
Read or overwrite sensitive files on server
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Vulnerability AssessmentAI

Exploitation Exploitation requires a fully authenticated high-privilege session (PR:H per CVSS 4.0 vector) - specifically, an attacker must hold admin-level access to the DedeCMS backend and be able to interact with the Album Publishing Feature that invokes `ExtractFile` in `include/zip.class.php`. … 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:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P) yields a score of 5.1, reflecting a genuine moderate-severity finding. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who has obtained DedeCMS administrator credentials - via credential stuffing, phishing, or reuse of leaked credentials - logs into the backend and navigates to the Album Publishing Feature. The attacker uploads a crafted ZIP archive containing an entry with a filename such as `../../config/database.php`, which the unsanitized `ExtractFile` function writes to the path outside the extraction directory. …
Remediation No vendor-released patch has been identified at the time of analysis - patch availability is unconfirmed, and no official vendor advisory URL was found among the provided references. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-15700 vulnerability details – vuln.today
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