What’s Vulnerable › Vulnerabilities

CVE-2018-11309

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-05-28 · updated 2026-06-17
• Weakness: CWE-89

Description

Blind SQL injection in coupon_code in the MemberMouse plugin 2.2.8 and prior for WordPress allows an unauthenticated attacker to dump the WordPress MySQL database via an applyCoupon action in an admin-ajax.php request.

Affected products

• Membermouse: before 2.2.8 — fixed in 2.2.8

How to fix

Upgrade to a fixed version: Membermouse 2.2.8. Check the vendor advisory for mitigations.

References

• https://blog.riccardoancarani.it/cve-2018-11309-blind-sql-injection-in-membermouse-plugin/
• https://blog.riccardoancarani.it/cve-2018-11309-blind-sql-injection-in-membermouse-plugin/

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