The VikWidgetsLoader WordPress plugin before 1.12.0 does not sanitise or escape a block attribute before outputting it inside an inline script, allowing users with the Contributor role to store arbitrary JavaScript that executes in the browser of any user viewing the affected post, including the administrator who reviews the pending submission.
Metrics
Affected Vendors & Products
References
History
Sun, 06 Sep 2026 11:30:00 +0000
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| Metrics |
cvssV3_1
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Sat, 05 Sep 2026 08:30:00 +0000
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| Weaknesses | CWE-79 |
Sat, 05 Sep 2026 06:30:00 +0000
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| Description | The VikWidgetsLoader WordPress plugin before 1.12.0 does not sanitise or escape a block attribute before outputting it inside an inline script, allowing users with the Contributor role to store arbitrary JavaScript that executes in the browser of any user viewing the affected post, including the administrator who reviews the pending submission. | |
| Title | VikWidgetsLoader < 1.12.0 - Contributor+ Stored XSS via Gutenberg Block class_suffix | |
| References |
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Status: PUBLISHED
Assigner: WPScan
Published: 2026-09-05T06:00:09.057Z
Updated: 2026-09-06T10:36:39.520Z
Reserved: 2026-09-02T15:13:26.478Z
Link: CVE-2026-84899
Updated: 2026-09-06T10:26:42.701Z
Status : Deferred
Published: 2026-09-05T07:17:14.127
Modified: 2026-09-08T19:09:21.310
Link: CVE-2026-84899
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