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Fencer Vulns
medium 6.1

CVE-2023-23491 json

The Quick Event Manager WordPress Plugin, version < 9.7.5, is affected by a reflected cross-site scripting vulnerability in the 'category'…

published 2023-01-20 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27591

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known, plus a Nuclei check

Summary

The Quick Event Manager WordPress Plugin, version < 9.7.5, is affected by a reflected cross-site scripting vulnerability in the 'category' parameter of its 'qem_ajax_calendar' action.

Patch / fix

  • fullworksplugins quick_event_manager 9.7.5

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
19 mo ago

Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Quick Event Manager < 9.7.5 - Cross-Site Scripting nuclei detection template
  • tenable.com https://www.tenable.com/security/research/tra-2023-3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • n/a Quick Event Manager WordPress Plugin

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
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.