CVE-2023-3958

WP Remote Users Sync <= 1.2.12 - Authenticated (Subscriber+) Server Side Request Forgery

8.5 High

The WP Remote Users Sync plugin for WordPress is vulnerable to Server Side Request Forgery via the 'notify_ping_remote' AJAX function in versions up to, and including, 1.2.12. This can allow authenticated attackers with subscriber-level permissions or above to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services. This was partially patched in version 1.2.12 and fully patched in version 1.2.13.

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: High
Integrity: Low
Availability: None

Exploit likelihood

0.73%Up 0.6 points since Aug 16, 2023

What each source reports

CVE List Score used 8.5

WP Remote Users Sync <= 1.2.12 - Authenticated (Subscriber+) Server Side Request Forgery

Record: CVE-2023-3958
CVSS 3.1: 8.5 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Weakness: CWE-918
Updated: 2026-11-02

EUVDEUVD-2023-44583 8.5

Record: EUVD-2023-44583
CVSS 3.1: 8.5 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-jxpw-qh57-h233 8.5

The WP Remote Users Sync plugin for WordPress is vulnerable to Server Side Request Forgery via...

Record: GHSA-jxpw-qh57-h233
CVSS 3.1: 8.5 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Weakness: CWE-918
Updated: 2026-11-02

NVD 8.5

Record: CVE-2023-3958
CVSS 3.1: 8.5 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-918
Updated: 2026-11-02

Affected products

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-2023-3958 is a high vulnerability (CVSS 8.5) in Froger Wp Remote Users Sync, published August 16, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. No source names a fixed version.