CVE-2025-47204: An issue was discovered in post.php in bootstrap-multiselect (aka Bootstrap Multiselect) 1.1.2. A PHP script in the source code echoes arbitrary POST data. If…

PriorityP278medium6.1CVSS 3.1

AVNACLPRNUIRSCCLILAN

ITWEXPLOITVulnCheck KEV

Exploited in the wild

EPSS

0.40%

32.2th percentile

An issue was discovered in post.php in bootstrap-multiselect (aka Bootstrap Multiselect) 1.1.2. A PHP script in the source code echoes arbitrary POST data. If a developer adopts this structure wholesale in a live application, it could create a Reflective Cross-Site Scripting (XSS) vulnerability exploitable through Cross-Site Request Forgery (CSRF).

Affected

1 ranges

Vendor	Product	Version range	Fixed in
davidstutz	bootstrap_multiselect	—	—

Detection & IOCsextracted from sources · hover to see the quote

pathpost.php↗

commandalert(document.domain)

sigma

matchers:
- type: dsl
  dsl:
  - 'contains(content_type, "text/html")'
  - 'contains_all(body, "alert(document.domain)", "bootstrap-multiselect-master")'
  condition: and

→Look for HTTP responses with Content-Type 'text/html' that contain both 'alert(document.domain)' and 'bootstrap-multiselect-master' in the body, indicating reflected XSS via post.php.
→The vulnerable script post.php echoes arbitrary POST data back to the client; monitor POST requests to post.php in bootstrap-multiselect deployments for unsanitized reflected output. ↗

·This vulnerability is only exploitable if a developer has deployed the example post.php script from the bootstrap-multiselect source in a live/production application; it is not present in the library itself by default. ↗

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

vulncheck6.1MEDIUM

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