CVE-2026-25420
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Missing Authorization in MailerLite Sign-Up Forms Allows Unauthorized Access
Publication date: 2026-02-19
Last updated on: 2026-02-20
Assigner: Patchstack
Description
Description
Missing Authorization vulnerability in MailerLite MailerLite official-mailerlite-sign-up-forms allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MailerLite: from n/a through <= 1.7.18.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mailerlite | mailerite | to 1.7.18 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Missing Authorization issue in MailerLite's official mailerlite-sign-up-forms. It arises due to incorrectly configured access control security levels, which means that certain actions or data may be accessible without proper permission checks.
How can this vulnerability impact me? :
The impact of this vulnerability could include unauthorized access to features or data within MailerLite sign-up forms, potentially allowing attackers to exploit the system without proper authorization.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
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