Contact Form 7 6.2 - 6.2.3 - Unauthenticated Arbitrary File Upload via Invalid UTF-8 Filename

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-114432
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-08 06:17:04 UTC
Updated2026-11-08 06:17:04 UTC
DescriptionThe Contact Form 7 WordPress plugin before 6.2.4 does not validate the type or extension of files uploaded through a form file field, and a flaw in its temporary-file cleanup leaves the uploaded file on disk, allowing unauthenticated users to upload arbitrary files to the site. On a stock Debian or Ubuntu Apache configuration, which lists directory contents and maps .phar to the PHP handler, the stored file can be located and executed, leading to Remote Code Execution. On other configurations, including nginx and Apache with .htaccess overrides enabled, the issue is limited to an arbitrary file written into the uploads directory, which may still be served as active content such as HTML or SVG from the site's own origin.

Risk And Classification

Problem Types: CWE-434 Unrestricted Upload of File with Dangerous Type

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Contact Form 7 affected 6.2 6.2.4 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/6b0a5d1f-84fb-425f-8d37-ddde5703937c [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Shinya Murakami (en)

CNA: WPScan (en)

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