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CVE-2024-4733

7.5 · HIGH

The ShiftController Employee Shift Scheduling plugin is vulnerable to PHP Object Injection via deserialization of untrusted input via the `hc3_session`-cookie in versions up to, and including, 4.9.57.

Published May 16, 2024CWE-502EPSS 0.59%

Overview

CVE-2024-4733 is a high-severity vulnerability. It was published on May 16, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The ShiftController Employee Shift Scheduling plugin is vulnerable to PHP Object Injection via deserialization of untrusted input via the `hc3_session`-cookie in versions up to, and including, 4.9.57. This makes it possible for an authenticated attacker with contributor access-level or 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/changeset?sfp_email=&sfph_mail=&reponame=&new=3087047%40shiftcontroller%2Ftrunk&old=3080165%40shiftcontroller%2Ftrunk&sfp_email=&sfph_mail=Refwww.wordfence.com/threat-intel/vulnerabilities/id/9c8ab916-240d-43c3-92d4-7efd75862a5e?source=cveRefplugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3087047%40shiftcontroller%2Ftrunk&old=3080165%40shiftcontroller%2Ftrunk&sfp_email=&sfph_mail=Refwww.wordfence.com/threat-intel/vulnerabilities/id/9c8ab916-240d-43c3-92d4-7efd75862a5e?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2024-4733?

CVE-2024-4733 is a high-severity vulnerability. It was published on May 16, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-4733?

This vulnerability has a CVSS 3.1 base score of 7.5, 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-2024-4733?

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-2024-4733?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-4733 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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