XSS in Registrationmagic

CVE-2026-77792

The RegistrationMagic WordPress plugin before 6.0.9.9 does not escape a registration form field value before outputting it in an HTML attribute on an administrative page, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against high privilege users such as admin.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (29.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-77792: held from 0.002 to 0.004.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002

Affected products

  • Registrationmagic

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-77792?
CVE-2026-77792 is a high-severity vulnerability in Registrationmagic, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2026-09-02.
How severe is CVE-2026-77792?
High severity. CVSS v3 base score is 7.5 out of 10.