CVE-2026-97328

WebP Express < 0.25.16 - Unauthenticated Stored XSS via Alter HTML Parser

Published Oct 22, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
Description 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.
Title WebP Express < 0.25.16 - Unauthenticated Stored XSS via Alter HTML Parser
References

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Oct 22, 2026, 11:06 AM
Reserved
Sep 24, 2026, 11:50 AM
Status
Deferred
Published
Oct 22, 2026, 6:17 AM
Modified
Oct 22, 2026, 3:16 PM