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Fencer Vulns
medium 5.3

CVE-2022-0424 json

Popup by Supsystic < 1.10.9 - Unauthenticated Subscriber Email Addresses Disclosure

published 2022-05-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15566

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known, plus a Nuclei check

Summary

The Popup by Supsystic WordPress plugin before 1.10.9 does not have any authentication and authorisation in an AJAX action, allowing unauthenticated attackers to call it and get the email addresses of subscribed users

Patch / fix

  • supsystic popup 1.10.9

Exploit prediction

2.85% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Popup by Supsystic < 1.10.9 - Subscriber Email Addresses Disclosure nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/1e4593fd-51e5-43ca-a244-9aaef3804b9f 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
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Unknown Popup by Supsystic

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality
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.