Collected research

Play the Opera Please

Mobile carriers identify subscribers by enriching plain HTTP requests with headers such as MSISDN, and Opera Mini's turbo compression servers relayed client-supplied copies of those headers without filtering them.

Record

Published by

inputzero.io

Topic

Other

In the archive

• Collected in the 2021 research round

Tags

• header-injection
• auth-bypass
• session-fixation
• http
• proxy
• android
• cve
• case-study
• owasp-a01-2021
• owasp-a03-2021
• owasp-a07-2021

This page is the archive's own catalogue record. The research is the work of inputzero.io, first published at the original source. Preserved copies are kept so the citation survives its host; this one was last captured on 10 August 2026.