Threat intelligence

BetterDocs <= 4.3.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

CVE-2026-3875 · betterdocs

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Betterdocs at a vulnerable version. How SiteRespond intelligence works

Vulnerability: BetterDocs <= 4.3.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
Affected software: betterdocs(Plugin)
Affected versions: ≤ 4.3.8
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-3875
Published: 15 April 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 5b7e4c3c-a12e-4b11-9673-79a7060052a8). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Betterdocs version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Betterdocs advisoriesBack to catalog