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Fencer Vulns
medium 5.3

CVE-2026-77793 json

RegistrationMagic < 6.0.9.9 - Unauthenticated Payment Bypass via Omitted Price Field

published 2026-09-02 2 mo ago modified 2026-09-03 2 mo ago also EUVD-2026-70040

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits
0
none known

Summary

The RegistrationMagic WordPress plugin before 6.0.9.9 does not validate the total price of a paid registration server-side, allowing unauthenticated users to complete a paid registration without paying and obtain an activated account.

Patch / fix

  • Unknown RegistrationMagic 6.0.9.9

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 mo ago

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/83f11a27-be9c-4b27-b4ea-d0c58e0d7829/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

  • Unknown RegistrationMagic

Classification

Weakness
  • CWE-602 Client-Side Enforcement of Server-Side Security
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.