What is CVE-2026-3228?

CVE-2026-3228 is a medium-severity vulnerability in Nextscripts Nextscripts: Social Networks Auto-poster, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-03-10.

How severe is CVE-2026-3228?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2026-3228 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Nextscripts Nextscripts: Social Networks Auto-poster

CVE-2026-3228

The NextScripts: Social Networks Auto-Poster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `[nxs_fbembed]` shortcode in all versions up to, and including, 4.4.6. This is due to insufficient input sanitization an…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (19.6th 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

Nextscripts Nextscripts: Social Networks Auto-poster — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

NULL200OK/CVE-2026-3228

References

Frequently asked questions

What is CVE-2026-3228?: CVE-2026-3228 is a medium-severity vulnerability in Nextscripts Nextscripts: Social Networks Auto-poster, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-03-10.
How severe is CVE-2026-3228?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2026-3228 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.