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Fencer Vulns
medium 5.3

CVE-2026-77702 json

Eventin < 4.1.24 - Unauthenticated Ticket Price Rewrite via order_token

published 2026-09-16 54 d ago modified 2026-09-17 52 d ago also EUVD-2026-80184

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 23%
public exploits
0
none known

Summary

The Eventin WordPress plugin before 4.1.24 does not prevent the token issued to a guest at checkout from being used to change that order's tickets afterwards, allowing unauthenticated users to replace a paid ticket with a free one and complete the order at no charge.

Patch / fix

  • Unknown Eventin 4.1.24

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
52 d ago

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/a4fa75f7-2b30-4659-9e25-dd3454c50ebb/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

Classification

Weakness
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.