← back
CVE-2025-0520criticalobserved exploitationCWE-434

ShowDoc < 2.8.7 Unauthenticated File Upload Remote Code Execution

65Vexday Risk Score

Patch now. It exploitation observed by VulnCheck and has a working public exploit.

ssvc Actcvss 9.4epss 2.6%
from disclosure to weapon
Published on NVDApr 29
VulnCheck+346d
exploitation probability
2.6%top 15% of all CVEs
observed exploitation
yesVulnCheck
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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L
Affected products
ShowDoc · ShowDoc