WordPress security by component
MailOptin
Plugin description
MailOptin is a WordPress component with 5 published CVE records in this archive. The latest tracked vulnerability was published Jul 13, 2026; the highest CVE/CNA score is 9.8.
Plugin slug:
mailoptinLatest vulnerability
CVE-2026-57813: MailOptin: Privilege escalation or authentication bypass
MailOptin is affected by privilege escalation or authentication bypass. Exposure depends on how the affected operation is made reachable by the site. A successful request can grant permissions or access that the caller should not possess. The published affected range is <= 1.2.77.3.
| Safe version |
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|---|---|---|---|
| Jul 13, 2026 |
CVE-2026-57813
MailOptin: Privilege escalation or authentication bypass
MailOptin is affected by privilege escalation or authentication bypass. Exposure depends on how the affected operation is made reachable by the site. A successful request can grant permissions or access that the caller should not possess. The published affected range is <= 1.2.77.3.
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1.2.78.0 |
CVE9.8
NVDPending
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| Sep 03, 2025 |
CVE-2025-58596
MailOptin: Cross-site scripting
MailOptin is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
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See mitigation notes |
CVE5.9
NVDPending
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| Sep 24, 2024 |
CVE-2024-8628
Popup, Optin Form & Email Newsletters for Mailchimp, HubSpot, AWeber – MailOptin: Cross-site scripting
Popup, Optin Form & Email Newsletters for Mailchimp, HubSpot, AWeber – MailOptin is affected by cross-site scripting. Exploitation requires at least contributor-level access. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
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See mitigation notes |
CVE5.4
NVDPending
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| Apr 06, 2023 |
CVE-2023-23980
Mailoptin: Cross-site scripting
Mailoptin is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
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See mitigation notes |
CVE5.9
NVD4.8
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| Sep 23, 2022 |
CVE-2022-36340
Mailoptin: A security weakness
Mailoptin is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
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See mitigation notes |
CVE6.5
NVD5.3
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