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CVE-2023-3958

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.

Published Aug 16, 2023CWE-918EPSS 0.73%

Overview

CVE-2023-3958 is a high-severity vulnerability. It was published on August 16, 2023 and has a CVSS 3.1 base score of 8.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refplugins.trac.wordpress.org/browser/wp-remote-users-sync/trunk/inc/api/class-wprus-api-abstract.php#L674Refplugins.trac.wordpress.org/changeset/2946667/wp-remote-users-sync#file127Refplugins.trac.wordpress.org/changeset/2953845/wp-remote-users-sync#file0Refwww.wordfence.com/threat-intel/vulnerabilities/id/2e78c759-4a54-4ee4-8eff-df91fe9dad46?source=cveRefplugins.trac.wordpress.org/browser/wp-remote-users-sync/trunk/inc/api/class-wprus-api-abstract.php#L674Refplugins.trac.wordpress.org/changeset/2946667/wp-remote-users-sync#file127Refplugins.trac.wordpress.org/changeset/2953845/wp-remote-users-sync#file0Refwww.wordfence.com/threat-intel/vulnerabilities/id/2e78c759-4a54-4ee4-8eff-df91fe9dad46?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2023-3958?

CVE-2023-3958 is a high-severity vulnerability. It was published on August 16, 2023 and has a CVSS 3.1 base score of 8.5 (HIGH).

How severe is CVE-2023-3958?

This vulnerability has a CVSS 3.1 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-3958?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-3958?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-3958 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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