CVE-2025-0520: exploitation status and patch state

CVE-2025-0520 · EPSS 1%

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.

Is CVE-2025-0520 exploited?

• Not in the CISA KEV catalog.
• EPSS puts exploitation in the next 30 days at 1%.
• Public exploit code: none found in monitored sources.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2025-0520

• ShowDoc Servers Become Easy RCE Targets (2026-04-15)

Primary sources

• NVD record

What this record does not say

• No CVSS score from NVD.
• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.