CVE-2023-5311

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 6.59% Top 10%
Third-Party Advisory gitbook.io Third-Party Advisory wordfence.com
Affected: wpvncom WP EXtra
Published at:
Updated at:

References

Link Tags
https://www.wordfence.com/threat-intel/vulnerabilities/id/87e3dd5e-0d77-4d78-8171-0beaf9482699?source=cve third party advisory patch
https://giongfnef.gitbook.io/giongfnef/cve/cve-2023-5311 third party advisory exploit
https://plugins.trac.wordpress.org/changeset/2977703/wp-extra patch

Frequently Asked Questions

What is the severity of CVE-2023-5311?
CVE-2023-5311 has been scored as a high severity vulnerability.
How to fix CVE-2023-5311?
To fix CVE-2023-5311, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-5311 being actively exploited in the wild?
It is possible that CVE-2023-5311 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-5311?
CVE-2023-5311 affects wpvncom WP EXtra.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.