Threats / WordPress / CVE-2020-25213
CVE-2020-25213
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
WordPress File Manager Plugin vulnerability
WordPress File Manager plugin contains an unauthenticated remote code execution vulnerability allowing attackers to upload and execute malicious PHP code on affected sites.
Verdict
Today item — known-exploited.
An unauthenticated attacker can exploit improper file upload validation in the File Manager plugin to execute arbitrary PHP code with web server privileges, leading to full site compromise. Active exploitation in the wild increases risk.
01
Is it exploitable?
— the evidence, ranked above the scoreExploit available
Fully weaponized — public exploit code is cataloged for this vulnerability.We link the existence of the exploit; we do not host or redistribute payloads.
Reported exploitation
158 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03).
Probability (EPSS)
EPSS 0.97328 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: WordPress, File Manager Plugin. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-434 Unrestricted File Upload — weakness family: Path traversal / file.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft a malicious PHP file and send an upload request to the vulnerable endpoint without authentication.
Business
The organization's web server is compromised and can be used to host malware, steal data, or pivot to internal systems.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I execute arbitrary PHP code on the server to establish persistence, create backdoor accounts, or modify site content.
Business
Attackers gain sustained unauthorized access, enabling data exfiltration, ransomware deployment, or defacement.
3
Lateral reach — past segmentation narrative 3
Attacker
I enumerate the server environment and escalate privileges to access sensitive files, databases, or connected infrastructure.
Business
Confidential business data, customer information, and intellectual property are exposed or destroyed.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05