CVE-2023-6990: The Weaver Xtreme theme for WordPress is vulnerable to Stored Cross-Site Scripting via custom post meta in all
CVE-2023-6990 is a medium-severity flaw (CVSS 5.4) affecting weaver xtreme theme support. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Weaver Xtreme theme for WordPress is vulnerable to Stored Cross-Site Scripting via custom post meta in all versions up to, and including, 6.3.0 due to insufficient input sanitization and output escaping on user supplied meta (page-head-code). This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 76%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2024-01-11 |
| 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-2023-6990?
weaver xtreme theme support: upgrade to newer than 6.3.0. Exact commands for each OS are on this page.
Is CVE-2023-6990 being exploited?
CVE-2023-6990 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-2023-6990 affect?
CVE-2023-6990 affects weaver xtreme theme support. Severity is medium (CVSS 5.4). The Weaver Xtreme theme for WordPress is vulnerable to Stored Cross-Site Scripting via custom post meta in all versions up to, and including, 6.3.0 due to insufficient input sanitization and output escaping on user supplied meta (page-head-
How urgent is CVE-2023-6990?
Priority 25/100. No elevated risk signals yet.
Software pages
Related CVEs
- CVE-2024-4939 MEDIUM 6.4 UPGRADE The Weaver Xtreme Theme Support plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plug
- CVE-2023-4971 HIGH 7.2 UPGRADE The Weaver Xtreme Theme Support WordPress plugin before 6.3.1 unserialises the content of an imported file, wh