CVE-2026-1661: CWE-79 Cross-Site Scripting (XSS) in WP Mail Logging
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.
AI Analysis
Technical Summary
The WP Mail Logging plugin for WordPress, in versions prior to 1.17.0, fails to adequately restrict HTML and CSS in logged emails rendered on its admin log screens. This flaw enables unauthenticated attackers to inject malicious styled content and links, for example via a public contact form, which can trick administrators viewing the logs into visiting attacker-controlled pages. The vulnerability is classified as CWE-79 (Cross-Site Scripting).
Potential Impact
An unauthenticated attacker can exploit this vulnerability to inject malicious content into the email logs viewed by administrators. This can lead to deception of the administrator and redirection of their browser to attacker-controlled websites. The CVSS score is 4.3 (medium severity), indicating limited impact with no confidentiality or availability loss, but some integrity impact through the injection of misleading content.
Mitigation Recommendations
Upgrade the WP Mail Logging plugin to version 1.17.0 or later, where this vulnerability is fixed. No other mitigation guidance is provided. Since this is a plugin vulnerability, applying the official update is the recommended remediation.
CVE-2026-1661: CWE-79 Cross-Site Scripting (XSS) in WP Mail Logging
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.
CVSS v3.1
Score 4.3medium
Affected software
WP Mail Logging
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The WP Mail Logging plugin for WordPress, in versions prior to 1.17.0, fails to adequately restrict HTML and CSS in logged emails rendered on its admin log screens. This flaw enables unauthenticated attackers to inject malicious styled content and links, for example via a public contact form, which can trick administrators viewing the logs into visiting attacker-controlled pages. The vulnerability is classified as CWE-79 (Cross-Site Scripting).
Potential Impact
An unauthenticated attacker can exploit this vulnerability to inject malicious content into the email logs viewed by administrators. This can lead to deception of the administrator and redirection of their browser to attacker-controlled websites. The CVSS score is 4.3 (medium severity), indicating limited impact with no confidentiality or availability loss, but some integrity impact through the injection of misleading content.
Mitigation Recommendations
Upgrade the WP Mail Logging plugin to version 1.17.0 or later, where this vulnerability is fixed. No other mitigation guidance is provided. Since this is a plugin vulnerability, applying the official update is the recommended remediation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-01-29T20:06:22.522Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abf8f55a43b0b3b89ac0a78
Added to database: 10/02/2026, 11:02:45 UTC
Last enriched: 10/02/2026, 11:17:22 UTC
Last updated: 10/03/2026, 03:08:43 UTC
Views: 13
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