CVE-2023-0873

MEDIUM 4.8CVE-2023-0873 · Published 27/06/2023 · updated 17/06/2026

In short

CVE-2023-0873 is a MEDIUM (CVSS 4.8) vulnerability affecting kanban boards for wordpress (kanbanwp).
Chance of exploitation in the next 30 days (EPSS): 0.55%, higher than 46.1% of all vulnerabilities.
Fix: update to 2.5.21 or later.

Package	Affected versions	Patched versions
kanban boards for wordpress kanbanwp	`< 2.5.21`	`2.5.21`

Description

The Kanban Boards for WordPress plugin before 2.5.21 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/8816d4c1-9e8e-4b6f-a36a-10a98a7ccfcd · Exploit

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