CVE-2026-118423
WP Libre Form 1.5.0.1 - Unauthenticated RCE via Arbitrary File Upload
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
WP Libre Form 1.5.0.1 - Unauthenticated RCE via Arbitrary File Upload
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.
- Record
CVE-2026-118423- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-06
EUVDEUVD-2026-117971
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.
- Record
EUVD-2026-117971- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-mhrf-qjwq-4j74
The WP Libre Form WordPress plugin 1.5.0.1 does not validate the type of files uploaded through...
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.
- Record
GHSA-mhrf-qjwq-4j74- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-06
NVD
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.
- Record
CVE-2026-118423- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-06
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Sable-Research/CVE-2026-118423-WP-Libre-Form | 2026-11-06 |
| PoC in GitHub | im0xfay/CVE-2026-118423 | 2026-11-06 |
| PoC in GitHub | thiscitze/cve-2026-118423-poc | 2026-11-06 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits | NVD, PoC in GitHub | |
| exploits, facts | EUVD, GitHub Advisories, NVD, PoC in GitHub | |
| cwes | CVE List | |
| published | EUVD, NVD | |
| published | EUVD | |
| aliases, references, severity, title | CVE List, GitHub Advisories | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-118423 is a critical vulnerability (CVSS 10.0) in Unknown Wp Libre Form, published November 6, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. No source names a fixed version.