CVE-2025-31755

WordPress pCloud Backup plugin <= 1.0.1 - Broken Access Control vulnerability

4.3 Medium

Missing Authorization vulnerability in josselynj pCloud Backup pcloud-backup allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects pCloud Backup: from n/a through <= 1.0.1.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.40%Up 0.4 points since Apr 2, 2025

What each source reports

CVE List Score used 4.3

WordPress pCloud Backup plugin <= 1.0.1 - Broken Access Control vulnerability

Record: CVE-2025-31755
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2025-9277 4.3

Record: EUVD-2025-9277
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-5q47-p7mr-gqmx 4.3

Missing Authorization vulnerability in josselynj pCloud Backup allows Exploiting Incorrectly...

Missing Authorization vulnerability in josselynj pCloud Backup allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects pCloud Backup: from n/a through 1.0.1.

Record: GHSA-5q47-p7mr-gqmx
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 4.3

Record: CVE-2025-31755
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

Affected products

josselynj pcloud backup

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-31755 is a medium vulnerability (CVSS 4.3) in Josselynj Pcloud Backup, published April 1, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.