The Enable Media Replace WordPress plugin before 4.2.3 does not pass a replaced media file through the WordPress upload pipeline, so the upload prefilter that SVG-sanitizer Enable Media Replace WordPress plugin before 4.2.3 rely on never runs, allowing an authenticated user with upload access to store an SVG file containing script that executes when the file is opened directly. It requires an SVG-enabling Enable Media Replace WordPress plugin before 4.2.3 to be active, as the replace path otherwise rejects SVG uploads.

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Fixes

Solution

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Workaround

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History

Wed, 04 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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


Wed, 04 Nov 2026 09:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Wed, 04 Nov 2026 08:00:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions enable Media Replace
Vendors & Products Wordpress-extensions
Wordpress-extensions enable Media Replace

Wed, 04 Nov 2026 06:15:00 +0000

Type Values Removed Values Added
Description The Enable Media Replace WordPress plugin before 4.2.3 does not pass a replaced media file through the WordPress upload pipeline, so the upload prefilter that SVG-sanitizer Enable Media Replace WordPress plugin before 4.2.3 rely on never runs, allowing an authenticated user with upload access to store an SVG file containing script that executes when the file is opened directly. It requires an SVG-enabling Enable Media Replace WordPress plugin before 4.2.3 to be active, as the replace path otherwise rejects SVG uploads.
Title Enable Media Replace < 4.2.3 - Author+ Stored XSS via SVG Upload
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-11-04T14:18:21.299Z

Reserved: 2026-10-21T13:33:46.464Z

Link: CVE-2026-114431

cve-icon Vulnrichment

Updated: 2026-11-04T14:02:49.914Z

cve-icon NVD

Status : Deferred

Published: 2026-11-04T06:17:00.867

Modified: 2026-11-04T15:17:34.983

Link: CVE-2026-114431

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T16:45:07Z

Weaknesses