CVE-2026-66703
WordPress MailOptin plugin <= 1.2.78.0 - Cross Site Scripting (XSS) vulnerability
CVSS score
6.5
EPSS probability
%0.2
Risk score
0.0
Published
2 mo ago
Vulnerability Timeline (Change History)
CVE-2026-66703 historical changes made to the vulnerability by NVD, CISA and MITRE:
| Date | Actor / Source | Action / Description | Type | Previous value | New value |
|---|---|---|---|---|---|
| 12.08.2026 | nvd@nist.gov | Initial Analysis & CVSS Vector Assignment | CVSS V3.1 | — | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L |
| 06.08.2026 | CISA Coordinator | SSVC Risk Re-assessment | SSVC / KEV | exploitation: none | exploitation: none |
| 06.08.2026 | MITRE / NVD | New CVE Record Received & Ingested | CVE Created | — | CVE-2026-66703 |
Similar Vulnerabilities
8.8
CVE-2026-92536Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content <= 4.17.4 - Authenticated (Subscriber+) Sensitive Information Exposure via Shortcode Injection via Nickname and Biographical Info Profile Fields
VendorproperfractionProductPaid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress
P
Patch status unknownEPSS %1
8.1
CVE-2026-85658Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content <= 4.17.2 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via 'eup_bio' Biography Field (Entity-Encoded Shortcode Bracket)
VendorproperfractionProductPaid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress
P
Patch status unknownEPSS %1
5.4
CVE-2026-18385Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content <= 4.16.19 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via First Name / Last Name Profile Field
VendorproperfractionProductPaid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress
P
Patch status unknownEPSS %1
6.1
CVE-2026-92551Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content <= 4.17.4 - Reflected Cross-Site Scripting via ppress_billing_address Filename Parameter
VendorproperfractionProductPaid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress
P
Patch status unknownEPSS %0
Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-66703"