CVE-2023-1403: Weaver Xtreme Theme <= 5.0.7 - Authenticated(Contributor+) Stored Cross-Site Scripting via Display Name

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-09 · updated 2026-06-17
Weakness: CWE-79

Description

The Weaver Xtreme Theme for WordPress is vulnerable to stored Cross-Site Scripting due to insufficient escaping of the profile display name in versions up to, and including, 5.0.7. 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

Weavertheme Weaver Xtreme Theme: through 5.0.7

References

https://themes.trac.wordpress.org/browser/weaver-xtreme/5.0.7/includes/lib-content.php#L1081
https://www.wordfence.com/blog/2023/04/hiding-in-plain-sight-cross-site-scripting-vulnerabilities-patched-in-weaver-products/
https://www.wordfence.com/threat-intel/vulnerabilities/id/5b2bef63-c871-45e4-bb05-12bbba20ca5e?source=cve
https://themes.trac.wordpress.org/browser/weaver-xtreme/5.0.7/includes/lib-content.php#L1081
https://www.wordfence.com/threat-intel/vulnerabilities/id/5b2bef63-c871-45e4-bb05-12bbba20ca5e?source=cve

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