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MailOptin vulnerabilities
MailOptin has 2 known vulnerabilities in this database. The most recent published record is dated 24 Sep 2024.
- Known vulnerabilities
- 2
- Active installs
- 10,000+
- Latest version
- 1.2.78.4
- Last updated
- 29 Sep 2026
- Most recent
- 24 Sep 2024
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site scripting (XSS) CVE-2024-8628 | Medium 5.4 | Before 1.2.70.4 | Fixed in 1.2.70.4 | 24 Sep 2024 |
| Broken access control CVE-2022-36340 | Medium 6.5 | Up to 1.2.49.0 | Fixed in a later version (latest 1.2.78.4) | 23 Sep 2022 |
Read the published descriptions
- CVE-2024-8628, 24 Sep 2024
- The Popup, Optin Form & Email Newsletters for Mailchimp, HubSpot, AWeber - MailOptin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'post-meta' shortcode in all versions up to, and including, 1.2.70.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. CVE record
- CVE-2022-36340, 23 Sep 2022
- Unauthenticated Optin Campaign Cache Deletion vulnerability in MailOptin plugin <= 1.2.49.0 at WordPress. CVE record
What to do if you run MailOptin
If you run MailOptin, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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