What’s Vulnerable › Vulnerabilities

CVE-2023-1404: Weaver Show Posts <= 1.6 - 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 Show Posts Plugin for WordPress is vulnerable to stored Cross-Site Scripting due to insufficient escaping of the profile display name in versions up to, and including, 1.6. 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 Show Posts: through 1.6

References

• https://plugins.trac.wordpress.org/browser/show-posts/tags/1.6/includes/atw-showposts-sc.php#L368
• 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/c8647c44-4879-4895-bd07-19f7d62a7326?source=cve
• https://plugins.trac.wordpress.org/browser/show-posts/tags/1.6/includes/atw-showposts-sc.php#L368
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c8647c44-4879-4895-bd07-19f7d62a7326?source=cve

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