CVE Catalog

CVE-2026-16585

HighCVSS 7.2
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
0.73%

51th percentile - higher than 51% of all known CVEs

Summary

The Better Messages plugin for WordPress up to version 2.15.19 has an arbitrary file deletion vulnerability in the delete_sticker function. An authenticated attacker with administrator privileges can delete any file on the server, potentially leading to remote code execution.

Risk Assessment

An attacker can delete critical files like wp-config.php, enabling full control over the WordPress site.

Recommendation

Immediately update the plugin to the latest version and restrict administrator access to trusted users.

Related vulnerabilities

Original NVD description (English source)

The Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the delete_sticker function in all versions up to, and including, 2.15.19. This makes it possible for authenticated attackers, with administrator-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). The prefix check intended to restrict deletion to the uploads directory can be bypassed by crafting a URL that begins with the legitimate uploads base URL but embeds ../ traversal sequences in the path portion, as the normalize_sticker function only applies esc_url_raw(), which does not strip ../ sequences, allowing the traversal payload to be stored verbatim in WordPress options.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS