Security readout for executives and security teams
Plain-English summary
CVE-2026-1000 affects the MailerLite WooCommerce WordPress plugin through version 3.1.3. A logged-in low-privilege user, such as a Subscriber, can reset the integration and delete plugin data. The main business risk is disruption or loss of abandoned-cart and synchronization history, not public data theft based on the supplied sources.
Executive priority
Treat as a medium-priority operational risk. Prioritize sites that depend on abandoned-cart marketing or allow public user registration. The likely loss is marketing automation data and integration continuity, not full site takeover based on current evidence.
Technical view
The issue is missing authorization checks (CWE-862) around resetIntegration(). Authenticated users with Subscriber-level access or higher can trigger data modification and deletion, including plugin options and the woo_mailerlite_carts and woo_mailerlite_jobs tables. CVSS is 6.5, with low attack complexity, low privileges required, no user interaction, high integrity impact, and no confidentiality impact stated.
Likely exposure
WordPress/WooCommerce sites using MailerLite – WooCommerce integration versions up to and including 3.1.3 are the relevant exposure. Risk is higher where untrusted users can create Subscriber accounts or where many low-privilege accounts exist.
Exploitation context
The supplied sources do not show active exploitation, and this CVE is not marked KEV. Exploitation requires an authenticated WordPress account with Subscriber-level access or above. The impact is destructive configuration and plugin-data loss rather than remote unauthenticated compromise.
Researcher notes
Evidence points to an authorization gap in resetIntegration() and related deletion behavior in version 3.1.3. The provided WordPress Trac changeset may be relevant to remediation review, but the supplied bundle does not name a fixed release. Avoid assuming exploit activity or broader product impact.
Mitigation direction
- Identify all WordPress sites using MailerLite – WooCommerce integration.
- Check whether installed versions are 3.1.3 or earlier.
- Review vendor guidance and update to a fixed release if available.
- Restrict or disable untrusted Subscriber registrations where practical.
- Back up WordPress databases before remediation or plugin changes.
- Temporarily disable the plugin if business risk outweighs availability needs.
Validation and detection
- Confirm plugin name and version from WordPress administration or asset inventory.
- Review whether public registration creates Subscriber accounts.
- Check for unexpected MailerLite integration resets or missing settings.
- Verify presence and integrity of woo_mailerlite_carts and woo_mailerlite_jobs data.
- Review WordPress user activity for low-privilege accounts around suspected changes.
- Confirm remediation by rechecking plugin version and vendor advisory status.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-1000 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/e20deec4-f40c-4bd3-91f7-6a9d643a5520?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/woo-mailerlite/tags/3.1.3/includes/WooMailerLite.php#L127CVE reference
- https://plugins.trac.wordpress.org/browser/woo-mailerlite/tags/3.1.3/admin/controllers/WooMailerLiteAdminSettingsController.php#L231CVE reference
- https://plugins.trac.wordpress.org/browser/woo-mailerlite/tags/3.1.3/includes/migrations/WooMailerLiteMigration.php#L33CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3415073%40woo-mailerlite%2Ftrunk&old=3399626%40woo-mailerlite%2Ftrunk&sfp_email=&sfph_mail=CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.