The Blog Floating Button WordPress plugin through 1.4.20 does not sanitize or escape the visitor User-Agent header, which it stores through an unauthenticated tracking REST endpoint and later renders unescaped in an administrator report page. This allows an unauthenticated attacker to store a malicious script that executes in the session of any administrator who views the access report, leading to site takeover.
Metrics
Affected Vendors & Products
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References
History
Mon, 03 Aug 2026 06:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The Blog Floating Button WordPress plugin through 1.4.20 does not sanitize or escape the visitor User-Agent header, which it stores through an unauthenticated tracking REST endpoint and later renders unescaped in an administrator report page. This allows an unauthenticated attacker to store a malicious script that executes in the session of any administrator who views the access report, leading to site takeover. | |
| Title | Blog Floating Button <= 1.4.20 - Unauthenticated Stored XSS via User-Agent Header | |
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MITRE
Status: PUBLISHED
Assigner: WPScan
Published:
Updated: 2026-08-03T06:00:12.685Z
Reserved: 2026-07-10T09:42:57.466Z
Link: CVE-2026-15383
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
Updated: 2026-08-03T08:45:03Z