CVE-2025-0520

CRITICAL EPSS 56.6%
Published Apr 29, 20251y ago · Modified Jun 17, 20261w ago
9.4 CVSS 4.0
Critical
Find Similar
Published Apr 29, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

An unrestricted file upload vulnerability in ShowDoc caused by improper validation of file extension allows execution of arbitrary PHP, leading to remote code execution.This issue affects ShowDoc: before 2.8.7.

CVSS Details

Base Score
9.4
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:X/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 Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
56.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

References 4

  • github.com https://github.com/star7th/showdoc/pull/1059
  • github.com https://github.com/vulhub/vulhub/tree/master/showdoc/CNVD-2020-26585
  • cnvd.org.cn https://www.cnvd.org.cn/flaw/show/CNVD-2020-26585
  • vulncheck.com https://www.vulncheck.com/advisories/showdoc-unauthenticated-file-upload-rce

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.