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Fencer Vulns
medium 5.3

CVE-2023-2796 json

EventON < 2.1.2 - Unauthenticated Event Access

published 2023-07-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34252

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
42.7%
EPSS 42.7% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB, plus a Nuclei check

Summary

The EventON WordPress plugin before 2.1.2 lacks authentication and authorization in its eventon_ics_download ajax action, allowing unauthenticated visitors to access private and password protected Events by guessing their numeric id.

Patch / fix

  • Unknown EventON 2.1.2

Timeline

  1. Published
  2. First public exploit (EDB-51658)

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

42.67% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-51658 Wordpress Plugin EventON Calendar 4.4 - Unauthenticated Event Access webapps, 2023-08-04
  • Nuclei template EventON <= 2.1 - Missing Authorization nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/e9ef793c-e5a3-4c55-beee-56b0909f7a0d referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

Affected products

  • Unknown EventON

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.