CVE-2025-0520
ShowDoc unrestricted file upload vulnerability
EPSS 2.0%
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.
How to fix CVE-2025-0520
To remediate CVE-2025-0520, upgrade the affected package to a fixed version below.
- Packagist/showdoc/showdoc—upgrade to 2.8.7 or later
Is CVE-2025-0520 being exploited?
Low — EPSS is 2.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.8.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |