CVE-2021-23253

MEDIUM Year: 2021
CVSS v3 Score
5.3
Medium
CVSS v2 Score
5.0
Medium
Weakness Type
NVD-CWE-Other
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Vulnerability Description

Opera Mini for Android below 53.1 displays URL left-aligned in the address field. This allows a malicious attacker to craft a URL with a long domain name, e.g. www.safe.opera.com.attacker.com. With the URL being left-aligned, the user will only see the front part (e.g. www.safe.opera.com…) The exact amount depends on the phone screen size but the attacker can craft a number of different domains and target different phones. Starting with version 53.1 Opera Mini displays long URLs with the top-level domain label aligned to the right of the address field which mitigates the issue.

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