# CVE-2026-3876

> Vulnerability · severity: **HIGH** (CVSS 7.2).

## Description

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 user-supplied attributes within the 'prismatic_decode' function. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page by submitting a comment containing a crafted 'prismatic_encoded' pseudo-shortcode.

## Key facts

- **CVE ID:** CVE-2026-3876
- **Published:** 2026-04-16
- **CVSS severity:** HIGH
- **CVSS base score:** 7.2
- **CWE codes:** CWE-79

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3876

## Citation

> AI Analytics. CVE-2026-3876. Retrieved 2026-07-13 from https://api.ai-analytics.org/cve/CVE-2026-3876. Derived from NIST NVD. Licensed CC0.

---

*[Dataset catalog](https://api.ai-analytics.org/datasets/) · [AI Analytics](https://api.ai-analytics.org/) · CC0 1.0*