CVE-2026-8841
MEDIUMCVSS v3.1: 6.4 · EPSS: 0.0003 (8.6 percentile)
Source data as of:
At a glance
- Severity
- MEDIUM
- CVSS
- 6.4 v3.1 · NVD
- EPSS
- 0.0003 (8.6 percentile) · FIRST.org
- CISA KEV
- No
- Type
- XSS · NVD CWE
- Attack conditions (CVSS vector)
- NetworkNo user interaction · Source: NVD Vector
- Published
- 2026-06-09 · Modified: 2026-06-09
- References
- Jump to references (3)
CVSS / EPSS / KEV
Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources
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.
References
Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.
- Reference https://plugins.trac.wordpress.org/browser/extra-settings-for-rocketchat/trunk/rocketchat-…
- Reference https://plugins.trac.wordpress.org/browser/extra-settings-for-rocketchat/trunk/rocketchat-…
- Vendor advisory https://www.wordfence.com/threat-intel/vulnerabilities/id/061eeba3-10ad-4272-9880-dc01d436…