cPanel before 57.9999.105 allows newline injection via LOC records (CPANEL-6923).
The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.
Link | Tags |
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https://documentation.cpanel.net/display/CL/58+Change+Log | release notes vendor advisory |