Security readout for executives and security teams
Plain-English summary
CVE-2018-11309 is a blind SQL injection in the WordPress MemberMouse plugin. The public description says unauthenticated attackers could use coupon handling to dump the WordPress MySQL database. For affected membership sites, this is a serious data-confidentiality risk.
Executive priority
Treat this as high priority for any active MemberMouse deployment because the reported impact is unauthenticated access to WordPress database contents. Prioritize inventory first, then update or disable affected installations.
Technical view
The flaw is reported in MemberMouse 2.2.8 and prior. The vulnerable input is coupon_code during the applyCoupon flow reached through WordPress admin-ajax.php. The source bundle does not provide CVSS, CWE, vendor advisory details, or a named fixed version.
Likely exposure
Exposure is likely limited to WordPress sites running MemberMouse 2.2.8 or earlier, especially sites using coupon or membership checkout functionality. Internet-facing WordPress deployments are the primary concern because the issue is described as unauthenticated.
Exploitation context
The source states that unauthenticated database dumping was possible through blind SQL injection. The bundle does not show CISA KEV inclusion or cited evidence of active exploitation in the wild, so active exploitation should not be claimed.
Researcher notes
Evidence is narrow: the CVE description and linked researcher blog identify the vulnerable plugin version range and attack surface, but the bundle lacks CVSS scoring, CWE mapping, and official patch metadata. Avoid asserting a fixed version without vendor confirmation.
Mitigation direction
- Inventory WordPress sites for MemberMouse and record installed versions.
- Check MemberMouse vendor guidance for the fixed or supported release path.
- Upgrade to a fixed current version if vendor guidance confirms one.
- Disable or remove MemberMouse where a safe version cannot be confirmed.
- Review database and WordPress account security after suspected exposure.
Validation and detection
- Confirm no production site runs MemberMouse 2.2.8 or earlier.
- Verify plugin updates are applied across all WordPress environments.
- Review web logs for unusual coupon-related admin-ajax.php activity.
- Check for unexpected database exports, new admin users, or account changes.
- Document affected sites, remediation status, and residual uncertainty.
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.
Database 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-2018-11309 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://blog.riccardoancarani.it/cve-2018-11309-blind-sql-injection-in-membermouse-plugin/CVE reference · x_refsource_MISC
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.