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CVE-2026-15383

Blog Floating Button <= 1.4.20 - Unauthenticated Stored XSS via User-Agent Header PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Unknown / Blog Floating Buttonaffected 0 through 1.4.20

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.