{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-3253 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-3253 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-3253 is a medium-severity missing authorization vulnerability in MailerLite – Signup forms (official), published on 24 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-3253 and fix it if it is affected.\n\nWhat it is: CVE-2026-3253 is a medium-severity missing authorization vulnerability in MailerLite – Signup forms (official), published on 24 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-3253 in the wild and no public exploit code.\n\nAffected product: MailerLite – Signup forms (official). No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-3253/ (Markdown: https://insights.sbomify.com/CVE-2026-3253/index.md)","id":"CVE-2026-3253","markdown":"https://insights.sbomify.com/CVE-2026-3253/index.md","name":"CVE-2026-3253","record":{"aliases":["GHSA-h68w-8j2h-7hvq"],"analysis":{"component_type":"cms_plugin","fix_type":"upgrade","impacts":["data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"WordPress plugin","requires_auth":"low_privilege","summary":"Authenticated contributors can create or delete arbitrary signup forms due to missing capability checks in the MailerLite WordPress plugin.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Wordfence","cpe":[],"cvss":{"score":4.3,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-862","name":"Missing Authorization"}],"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.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Missing authorization in MailerLite – Signup forms (official)","id":"CVE-2026-3253","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"missing_authorization","year":"2026"},"n_packages":0,"n_references":2,"next":{"headline":"Improper Restriction of Rendered UI Layers or Frames in GitLab","id":"CVE-2026-3254"},"packages":[],"prev":{"headline":"XSS in Webremium's Mezunum Satiyorum","id":"CVE-2026-3251"},"products":["MailerLite – Signup forms (official)"],"published":"2026-09-24","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-24","vendors":["mailerlite"]},"summary":"Authenticated contributors can create or delete arbitrary signup forms due to missing capability checks in the MailerLite WordPress plugin.","url":"https://insights.sbomify.com/CVE-2026-3253/"}