CVE-2023-5311
8.8 · HIGHOverview
CVE-2023-5311 is a high-severity vulnerability affecting wpvnteam wp_extra. It was published on October 25, 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 EXtra plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the register() function in versions up to, and including, 6.2. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to modify the contents of the .htaccess files located in a site's root directory or /wp-content and /wp-includes folders and achieve remote code execution. CVE-2023-46623 appears to be a duplicate of this issue.
Remediation
Check the references section for vendor advisories and patches from wpvnteam. Update wp_extra to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| wpvnteam | wp_extra | >= 0, < 6.3 | Affected |
References
Frequently Asked Questions
What is CVE-2023-5311?
CVE-2023-5311 is a high-severity vulnerability affecting wpvnteam wp_extra. It was published on October 25, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2023-5311?
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-2023-5311?
Check the references section for vendor advisories and patches from wpvnteam. Update wp_extra to the latest patched version. 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-2023-5311?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-5311 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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