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MailerLite

MailerLite is a WordPress component with 5 published CVE records in this archive. The latest tracked vulnerability was published Feb 19, 2026; the highest CVE/CNA score is 6.4.

Plugin slug: official-mailerlite-sign-up-forms

CVE-2026-25420: MailerLite: A security weakness

MailerLite is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

PublishedFeb 19, 2026
Safe version guidanceSee mitigation notes
Safe version
Feb 19, 2026 CVE-2026-25420
MailerLite: A security weakness
MailerLite is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.
See mitigation notes
CVE4.3
NVDPending
Dec 12, 2025 CVE-2025-13993
MailerLite – Signup forms (official): Cross-site scripting
MailerLite – Signup forms (official) is affected by cross-site scripting. Exploitation requires an authenticated WordPress account. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE5.5
NVDPending
May 02, 2024 CVE-2024-2797
MailerLite – Signup forms (official): A security weakness
MailerLite – Signup forms (official) 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.
See mitigation notes
CVE5.3
NVDPending
May 02, 2024 CVE-2024-1386
MailerLite – Signup forms (official): Cross-site scripting
MailerLite – Signup forms (official) is affected by cross-site scripting. Exploitation requires an authenticated WordPress account. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE6.4
NVDPending
Aug 05, 2022 CVE-2022-33201
Official Mailerlite Sign Up Forms: Cross-site request forgery
Official Mailerlite Sign Up Forms is affected by cross-site request forgery. Exposure depends on how the affected operation is made reachable by the site. Exploitation relies on a signed-in privileged user submitting an attacker-controlled request.
See mitigation notes
CVE6.3
NVD8.8