Security readout for executives and security teams
Plain-English summary
CVE-2026-1258 affects the Mail Mint WordPress plugin up to and including 1.19.2. An already-authenticated WordPress administrator could manipulate certain Mail Mint API requests to run unintended database queries. The main business risk is exposure of sensitive data stored in the WordPress database. This is not reported as actively exploited in the provided sources.
Executive priority
Treat as a normal-priority security update unless the site has many administrators, weak admin controls, or sensitive customer data in WordPress. Prioritize faster if Mail Mint is used on revenue, marketing, or customer-data systems.
Technical view
Mail Mint has blind SQL injection in multiple API endpoints: forms, automation, email/templates, and contacts/import/tutorlms/map. The issue involves insufficient escaping of order-by, order-type, and selectedCourses parameters, and insufficient query preparation. CVSS is 4.9 because exploitation requires administrator-level privileges, but confidentiality impact is rated high.
Likely exposure
Exposure is limited to WordPress sites running Mail Mint versions up to 1.19.2 where an attacker has administrator-level access or compromises such an account. Sites without the plugin, or not on affected versions, are not indicated as exposed by the provided sources.
Exploitation context
The CVE is not in CISA KEV, and the provided sources do not report active exploitation. Exploitation requires high privileges, reducing broad external risk. However, it could matter after admin credential compromise, insider misuse, or abuse of overly broad administrator access.
Researcher notes
The public record attributes the issue to CWE-89 and identifies several affected code areas with WordPress Trac changesets. The available evidence supports authenticated administrator-level SQL injection, but does not provide active exploitation evidence or a clearly named fixed version in the supplied bundle.
Mitigation direction
- Check vendor and WordPress plugin guidance for the fixed Mail Mint release.
- Update Mail Mint if a version newer than 1.19.2 is available and approved.
- Limit WordPress administrator accounts to trusted users only.
- Enforce MFA and strong credential controls for WordPress administrators.
- Review Mail Mint and WordPress logs for unusual administrator activity.
Validation and detection
- Inventory WordPress sites using the Mail Mint plugin.
- Confirm whether installed Mail Mint versions are 1.19.2 or earlier.
- Review administrator account list for unnecessary or stale accounts.
- Verify update status against official WordPress plugin or vendor release information.
- Check logs for suspicious requests to the referenced Mail Mint API areas.
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-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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-2026-1258 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
- 4.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/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:H/UI:N/S:U/C:H/I:N/A:N1.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/dfb59bca-0653-4e75-8da1-e78e5d659422?source=cveCVE reference
- https://plugins.trac.wordpress.org/changeset/3449536/mail-mint/trunk/app/Database/models/FormModel.phpCVE reference
- https://plugins.trac.wordpress.org/changeset/3449536/mail-mint/trunk/app/Internal/Automation/Core/DataStore/AutomationStore.phpCVE reference
- https://plugins.trac.wordpress.org/changeset/3449536/mail-mint/trunk/app/API/Actions/Admin/Email/TemplateAction.phpCVE reference
- https://plugins.trac.wordpress.org/changeset/3449536/mail-mint/trunk/app/Utilities/Helper/Import.phpCVE 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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.