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Fencer Vulns
medium 4.8

CVE-2022-3420 json

Official Integration for Billingo < 3.4.0 - ShopManager+ Stored XSS

published 2022-10-31 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-42797

cvss
4.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

The Official Integration for Billingo WordPress plugin before 3.4.0 does not sanitise and escape some of its settings, which could allow high privilege users with a role as low as Shop Manager to perform Stored Cross-Site Scripting attacks.

Patch / fix

  • official_integration_for_billingo_project official_integration_for_billingo 3.4.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/ce5fac6e-8da1-4042-9cf8-7988613f92a5 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Unknown Official Integration for Billingo

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.