XSS in Specialk Prismatic
CVE-2026-3876
The Prismatic plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'prismatic_encoded' pseudo-shortcode in all versions up to, and including, 3.7.3. This is due to insufficient input sanitization and output escaping on…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (10.2th 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
- Specialk Prismatic — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-3876?
- CVE-2026-3876 is a high-severity vulnerability in Specialk Prismatic, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-04-16.
- How severe is CVE-2026-3876?
- High severity. CVSS v3 base score is 7.2 out of 10.