What is CVE-2026-6177?

CVE-2026-6177 is a high-severity vulnerability in Smub Custom Twitter Feeds – A Tweets Widget Or X Feed, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-05-13.

How severe is CVE-2026-6177?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Smub Custom Twitter Feeds – A Tweets Widget Or X Feed

CVE-2026-6177

The Custom Twitter Feeds plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 2.5.4. This is due to insufficient output escaping in the CTF_Display_Elements::get_post_text() function when render…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (44.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Smub Custom Twitter Feeds – A Tweets Widget Or X Feed — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-6177?: CVE-2026-6177 is a high-severity vulnerability in Smub Custom Twitter Feeds – A Tweets Widget Or X Feed, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-05-13.
How severe is CVE-2026-6177?: High severity. CVSS v3 base score is 7.2 out of 10.