What’s Vulnerable › Vulnerabilities
CVE-2026-1661: WP Mail Logging < 1.17.0 - Unauthenticated HTML Injection
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-02 · updated 2026-10-02
- Weakness: CWE-79
Description
The WP Mail Logging WordPress plugin before 1.17.0 does not properly restrict the HTML and CSS of logged emails before rendering them in its admin log screens, allowing unauthenticated users to inject styled content and links, for example through a public contact form, that can deceive an administrator viewing the log and send their browser to an attacker-controlled page.
Affected products
- WP Mail Logging: before 1.17.0 — fixed in 1.17.0
How to fix
Upgrade to a fixed version: WP Mail Logging 1.17.0. Check the vendor advisory for mitigations.
References
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