CVE-2023-0993: The Shield Security plugin for WordPress is vulnerable to Missing Authorization on the 'theme-plugin-file' AJA
CVE-2023-0993 is a medium-severity flaw (CVSS 4.3) affecting shield security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Shield Security plugin for WordPress is vulnerable to Missing Authorization on the 'theme-plugin-file' AJAX action in versions up to, and including, 17.0.17. This allows authenticated attackers to add arbitrary audit log entries indicating that a theme or plugin has been edited, and is also a vector for Cross-Site Scripting via CVE-2023-0992.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 54%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2023-06-09 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-0993?
shield security: upgrade to newer than 17.0.17. Exact commands for each OS are on this page.
Is CVE-2023-0993 being exploited?
CVE-2023-0993 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-0993 affect?
CVE-2023-0993 affects shield security. Severity is medium (CVSS 4.3). The Shield Security plugin for WordPress is vulnerable to Missing Authorization on the 'theme-plugin-file' AJAX action in versions up to, and including, 17.0.17. This allows authenticated attackers to add arbitrary audit log entries indicat
How urgent is CVE-2023-0993?
Priority 27/100. No elevated risk signals yet.
Software pages
Related CVEs
- CVE-2024-7313 MEDIUM 6.1 UPGRADE The Shield Security WordPress plugin before 20.0.6 does not sanitise and escape a parameter before outputting
- CVE-2024-22163 HIGH 7.1 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Shield S
- CVE-2023-0992 HIGH 7.2 UPGRADE The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and i