XSS in Weavertheme Weaver Xtreme Theme Support
CVE-2023-6990
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/bc7384d7-c2fd-4d63-9b80-bb5bd… (Third Party Advisory)
- themes.trac.wordpress.org/changeset (Patch)
Frequently asked questions
- What is CVE-2023-6990?
- CVE-2023-6990 is a medium-severity vulnerability in Weavertheme Weaver Xtreme Theme Support, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-01-11.
- How severe is CVE-2023-6990?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2023-6990 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.