XSS in Letterpress

CVE-2024-3586

The LetterPress WordPress plugin before 2.4.0 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)

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

  • Letterpress

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-3586?
CVE-2024-3586 is a low-severity vulnerability in Letterpress, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-10-29.
How severe is CVE-2024-3586?
Low severity. CVSS v3 base score is 3.5 out of 10.