CVE-2022-3855

MEDIUM 4.8CVE-2022-3855 · Published 09/01/2023 · updated 17/06/2026

In short

CVE-2022-3855 is a MEDIUM (CVSS 4.8) vulnerability affecting 404 to start (404 to start project).
Chance of exploitation in the next 30 days (EPSS): 0.54%, higher than 45.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
404 to start 404_to_start_project	`≤ 1.6.1`	No fix yet

Description

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).

References

wpscan.com/vulnerability/ae44f2d8-a452-4310-b616-54d9519867eb · Exploit

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