CVE-2026-125729 | BDVDB-2026-404666 Detail

Description#

Plack::Middleware::CSP versions before 0.03 for Perl send the Content Security Policy under the wrong header name, so browsers never enforce it. The call method sets the policy in a response header named "content-security-protocol" instead of "Content-Security-Policy". Browsers ignore that header. Any cross-site scripting flaw in the wrapped application can run scripts the policy was meant to block.

Impact#

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Exploit#

History#

1. Version 12026-11-10Record published in the CVE List.