What is CVE-2026-97328?

CVE-2026-97328 is a high-severity vulnerability in Webp Express, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2026-10-22.

How severe is CVE-2026-97328?

High severity. CVSS v3 base score is 7.5 out of 10.

XSS in Webp Express

CVE-2026-97328

The WebP Express WordPress plugin before 0.25.16 does not escape values that its bundled HTML parser re-emits into element attributes when a non-default image delivery mode is enabled, allowing unauthenticated users to submit content that is stored and later executed as Cross-Site Scripting in the browser of any user viewing an affected page, including administrators.

Vulnerability class: XSS (Cross-Site Scripting)

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

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

Webp Express

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/f44cb329-fb2e-4fb1-b878-8b52b0c769cc/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-97328?: CVE-2026-97328 is a high-severity vulnerability in Webp Express, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2026-10-22.
How severe is CVE-2026-97328?: High severity. CVSS v3 base score is 7.5 out of 10.