CVE-2026-97328CWE-79cross-site-scripting

CVE-2026-97328

High · published October 22, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
6.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00173 · 6.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-22T10:17Z
References (1)
https://wpscan.com/vulnerability/f44cb329-fb2e-4fb1-b878-8b52b0c769cc/ · [email protected]
EPSS history
Timeline
  • 23 OCT 04:11Z
    EPSS moved — → 0%
    epss
  • 22 OCT 06:00Z
    WebP Express < 0.25.16 - Unauthenticated Stored XSS via Alter HTML Parser
    cvelistv5
  • 22 OCT 06:00Z
    WebP Express < 0.25.16 - Unauthenticated Stored XSS via Alter HTML Parser
    cvelistv5