CVE-2023-6990: Weaver Xtreme <= 6.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-11 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

wpweaver Weaver Xtreme Theme Support: through 6.3.0

References

https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=212828%40weaver-xtreme&new=212828%40weaver-xtreme&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/bc7384d7-c2fd-4d63-9b80-bb5bde9a23d5?source=cve
https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=212828%40weaver-xtreme&new=212828%40weaver-xtreme&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/bc7384d7-c2fd-4d63-9b80-bb5bde9a23d5?source=cve

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