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.

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Fixes

Solution

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Workaround

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History

Thu, 22 Oct 2026 11:30:00 +0000

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'}


Thu, 22 Oct 2026 08:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Thu, 22 Oct 2026 06:15:00 +0000

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

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-22T11:06:28.335Z

Reserved: 2026-09-24T11:50:32.481Z

Link: CVE-2026-97328

cve-icon Vulnrichment

Updated: 2026-10-22T10:54:22.865Z

cve-icon NVD

Status : Deferred

Published: 2026-10-22T06:17:15.930

Modified: 2026-10-22T15:16:14.027

Link: CVE-2026-97328

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T14:00:08Z

Weaknesses