The WP HTML Mail plugin for WordPress has a security vulnerability in versions 3.4.0 and below. An attacker can send test emails without being authorized to, if they can get a site administrator to do something like click a link. This is because the ‘send_test’ function does not properly validate the nonce (a string of characters used to identify the user).
This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!
Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:
> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21
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