# CVE-2026-1379

> Vulnerability · severity: **MEDIUM** (CVSS 4.4).

## Description

The HTTP Headers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.19.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

## Key facts

- **CVE ID:** CVE-2026-1379
- **Published:** 2026-04-22
- **CVSS severity:** MEDIUM
- **CVSS base score:** 4.4
- **CWE codes:** CWE-79

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-1379

## Citation

> AI Analytics. CVE-2026-1379. Retrieved 2026-07-16 from https://api.ai-analytics.org/cve/CVE-2026-1379. Derived from NIST NVD. Licensed CC0.

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