PT-2026-63816 · Nerdpress · Hubbub Lite

CVE-2026-27403 · Published 2026-07-23 · Updated 2026-07-23

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions Hubbub Lite versions prior to 1.36.4

Description NerdPress Hubbub Lite contains a stored cross-site scripting (XSS) flaw, which occurs when an application includes untrusted data in a web page without proper validation or encoding, allowing a contributor to inject malicious scripts into the page.

Recommendations Update Hubbub Lite to version 1.36.4 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-27403

Affected Products

Hubbub Lite

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-27403 · Security Note
• https://patchstack.com/database/wordpress/plugin/social-pug/vulnerability/wordpress-hubbub-lite-plugin-1-36-3-cross-site-scripting-xss-vulnerability?_s_id=cve · Note