WP Libre Form 1.5.0.1 - Unauthenticated RCE via Arbitrary File Upload
- Exploited
- Public exploit code, no confirmed attacks
- Fix
- No fix listed
- Who is exposed
- Not reported
- Published
- Last modified
- FIRST's estimate of the chance attackers exploit it in the next 30 days, updated daily.What do these mean? →
- 0.57% · 47th percentile
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 57/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- 1 proof of concept on GitHub
- Exploitation: none
- Automatable: yes
- Technical impact: total
Summary
The WP Libre Form WordPress plugin does not check the type of files uploaded through its forms, so an attacker can remotely, without logging in, upload a PHP file to a web-accessible location and run it on the server. This gives the attacker remote code execution.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
The WP Libre Form WordPress plugin 1.5.0.1 does not validate the type of files uploaded through its form submissions, allowing unauthenticated attackers to upload PHP files to a web-accessible location and execute them, leading to remote code execution.
cve.now Index
- Exploitation22/40Public exploit on Exploit-DB or GitHub
- Exposure20/25No login or user action needed per the CVSS vector, CISA rates it automatable · Unknown: No advisory context yet
- Reach?/20Unknown. No tracked technology or package matched
- Severity10/10CVSS 10.0, total technical impact per CISA
- No patch5/5No patch listed yet
What would change the score
- Would score about 80 if added to CISA KEV
- Would score about 75 if CISA's SSVC rates exploitation active
- Would score about 62 if advisories confirm default setups are exposed
Timeline
- CVE published
- First seen by cve.now
- Posted on X by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: total
- Record last updated
- Exploit code on GitHub
thiscitze/cve-2026-118423-poc
Affected versions
- Unknown WP Libre Form
From 1.5.0.1 · through 1.5.0.1
Evidence 2
- Exploit
- Exploit
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-118423
Is CVE-2026-118423 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. Public exploit code exists (a proof of concept on GitHub).Source: cve.now feed data
Which versions are affected by CVE-2026-118423?
WP Libre Form: from 1.5.0.1 through 1.5.0.1.Source: cve.now feed data