What is CVE-2025-3276?

CVE-2025-3276 is a medium-severity vulnerability in Sktthemes Skt Blocks, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-04-12.

How severe is CVE-2025-3276?

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

XSS in Sktthemes Skt Blocks

CVE-2025-3276

The SKT Blocks – Gutenberg based Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Post Carousel block in all versions up to, and including, 1.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (11.4th 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

Sktthemes Skt_blocks
Sonalsinha21 Skt Blocks – Gutenberg Based Page Builder — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2025-3276?: CVE-2025-3276 is a medium-severity vulnerability in Sktthemes Skt Blocks, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-04-12.
How severe is CVE-2025-3276?: Medium severity. CVSS v3 base score is 6.4 out of 10.