What is CVE-2022-3855?

CVE-2022-3855 is a medium-severity vulnerability in 404 To Start Project, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 4.8/10. Published 2023-01-09.

How severe is CVE-2022-3855?

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

Is CVE-2022-3855 known to be exploited?

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

Vulnerability in 404 To Start Project

CVE-2022-3855

The 404 to Start WordPress plugin through 1.6.1 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).

EPSS: 0.005 (42.5th percentile) — read the EPSS interpretation.

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.

Affected products

404_to_start_project 404_to_start
Unknown 404 To Start — versions 0

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2022-3855?: CVE-2022-3855 is a medium-severity vulnerability in 404 To Start Project, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 4.8/10. Published 2023-01-09.
How severe is CVE-2022-3855?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2022-3855 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.