XSS in Johnnie2u Twittee Text Tweet
CVE-2026-4089
The Twittee Text Tweet plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' shortcode attribute in all versions up to and including 1.0.8. This is due to insufficient input sanitization and output escaping on user…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Johnnie2u Twittee Text Tweet — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/4d678e97-f466-4640-83ee-a3a24…
- plugins.trac.wordpress.org/browser/twittee-text-tweet/trunk/ttt-twittee-text-tw…
- plugins.trac.wordpress.org/browser/twittee-text-tweet/tags/1.0.8/ttt-twittee-te…
- plugins.trac.wordpress.org/browser/twittee-text-tweet/trunk/ttt-twittee-text-tw…
- plugins.trac.wordpress.org/browser/twittee-text-tweet/tags/1.0.8/ttt-twittee-te…
Frequently asked questions
- What is CVE-2026-4089?
- CVE-2026-4089 is a medium-severity vulnerability in Johnnie2u Twittee Text Tweet, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-22.
- How severe is CVE-2026-4089?
- Medium severity. CVSS v3 base score is 6.4 out of 10.