CVE WatchJul 23, 2026

CVE-2026-8841

The Extra Settings for RocketChat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'rocketchat' shortcode's 'title'

CVSS

6.4

Medium

EPSS

0.2%

KEV

—

Exploit Today

0-100

Published: Jun 9, 2026 · Last modified: Jul 23, 2026 · CWE-79

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-07-102026-08-07

Technical description

The Extra Settings for RocketChat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'rocketchat' shortcode's 'title' attribute in versions up to, and including, 0.1. This is due to insufficient input sanitization and output escaping in the rxstg_shortcode() function, which concatenates the user-supplied 'title' attribute directly into HTML output. 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.

Official references

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

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