What is CVE-2026-114570?

CVE-2026-114570 is a medium-severity vulnerability in WordPress Foundation, classified under Cross-site Scripting. CVSS score: 4.9/10. Published 2026-10-22.

How severe is CVE-2026-114570?

Medium severity. CVSS v3 base score is 4.9 out of 10.

XSS in WordPress Foundation

CVE-2026-114570

WordPress Core is vulnerable to Stored Cross-Site Scripting via Quick Edit in all versions up to, and including, 7.0.2 due to insufficient escaping of user display names. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a higher privileged user accesses the affected administrative screens. This issue only affects sites with a large number of users.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-22 · last modified 2026-10-22.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

WordPress Foundation

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-114570?: CVE-2026-114570 is a medium-severity vulnerability in WordPress Foundation, classified under Cross-site Scripting. CVSS score: 4.9/10. Published 2026-10-22.
How severe is CVE-2026-114570?: Medium severity. CVSS v3 base score is 4.9 out of 10.