CVE-2026-3253
Last modified
CVE-2026-3253 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. The MailerLite – Signup forms (official) plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the forms() method of the AdminController class in all versions up to, and including, 1.7.21. This makes it possible for authenticated attackers, with Contributor-level access and above, to create or delete arbitrary signup forms..
Description
The MailerLite – Signup forms (official) plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the forms() method of the AdminController class in all versions up to, and including, 1.7.21. This makes it possible for authenticated attackers, with Contributor-level access and above, to create or delete arbitrary signup forms.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| mailerlite | MailerLite – Signup forms (official) | <= 1.7.21 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-3253?
How severe is CVE-2026-3253?
How do I fix CVE-2026-3253?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-32524Unrestricted Upload of File with Dangerous Type vulnerabilit…9.1
- CVE-2026-32525Improper Control of Generation of Code ('Code Injection') vu…9.9
- CVE-2026-32526Improper Neutralization of Input During Web Page Generation …7.1
- CVE-2026-32527Missing Authorization vulnerability in CRM Perks WP Insightl…6.5
- CVE-2026-32528Improper Neutralization of Input During Web Page Generation …7.1
- CVE-2026-32529Improper Neutralization of Input During Web Page Generation …7.1
- CVE-2026-32530Incorrect Privilege Assignment vulnerability in WPFunnels Cr…8.8
- CVE-2026-32531Improper Control of Filename for Include/Require Statement i…8.1
- CVE-2026-32532Improper Neutralization of Input During Web Page Generation …7.1
- CVE-2026-32533Authorization Bypass Through User-Controlled Key vulnerabili…6.5
- CVE-2026-32534Improper Neutralization of Special Elements used in an SQL C…8.5
- CVE-2026-32535Authorization Bypass Through User-Controlled Key vulnerabili…6.5
Are you affected by CVE-2026-3253?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
