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6.4

WP ULike plugin for WordPress allows attackers to inject malicious scripts

CVE-2026-2358
Summary

The WP ULike plugin for WordPress is vulnerable to a security threat that allows attackers to inject malicious code into pages. This can happen if an attacker has a Contributor-level account or higher and posts content with at least one like on the page. To protect your site, update the WP ULike plugin to the latest version or remove it from your site if you don't use it.

Original title
The WP ULike plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `[wp_ulike_likers_box]` shortcode `template` attribute in all versions up to, and including, 5.0.1. This is du...
Original description
The WP ULike plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `[wp_ulike_likers_box]` shortcode `template` attribute in all versions up to, and including, 5.0.1. This is due to the use of `html_entity_decode()` on shortcode attributes without subsequent output sanitization, which effectively bypasses WordPress's `wp_kses_post()` content filtering. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The post must have at least one like for the XSS to render.
nvd CVSS3.1 6.4
Vulnerability type
CWE-79 Cross-site Scripting (XSS)
Published: 11 Mar 2026 · Updated: 13 Mar 2026 · First seen: 11 Mar 2026