What is CVE-2022-4042?

CVE-2022-4042 is a medium-severity vulnerability in Paytium, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 4.8/10. Published 2022-12-26.

How severe is CVE-2022-4042?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2022-4042 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Paytium

CVE-2022-4042

The Paytium: Mollie payment forms & donations WordPress plugin before 4.3.7 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Published 2022-12-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Paytium
Paytium: Mollie Payment Forms & Donations — versions 0

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/8ec76242-717d-4d2d-9c0f-3056cd7c2c90 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2022-4042?: CVE-2022-4042 is a medium-severity vulnerability in Paytium, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 4.8/10. Published 2022-12-26.
How severe is CVE-2022-4042?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2022-4042 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.