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CVE-2023-5583

8.8 · HIGH

The WP Simple Galleries plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 1.34 via deserialization of untrusted input from the 'wpsimplegallery_gallery' p…

Published Oct 30, 2023CWE-502EPSS 1.01%

Overview

CVE-2023-5583 is a high-severity vulnerability. It was published on October 30, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The WP Simple Galleries plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 1.34 via deserialization of untrusted input from the 'wpsimplegallery_gallery' post meta via 'wpsgallery' shortcode. This allows authenticated attackers, with contributor-level permissions and above, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

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-simple-galleries/tags/1.34/wp-simple-gallery.php#L250Refwww.wordfence.com/threat-intel/vulnerabilities/id/0dc8f7cf-d8be-4229-b823-3bd9bc9f6eda?source=cveRefplugins.trac.wordpress.org/browser/wp-simple-galleries/tags/1.34/wp-simple-gallery.php#L250Refwww.wordfence.com/threat-intel/vulnerabilities/id/0dc8f7cf-d8be-4229-b823-3bd9bc9f6eda?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2023-5583?

CVE-2023-5583 is a high-severity vulnerability. It was published on October 30, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-5583?

This vulnerability has a CVSS 3.1 base score of 8.8, 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-2023-5583?

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-2023-5583?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-5583 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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