What’s Vulnerable › Vulnerabilities

CVE-2019-12278

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-03-12 · updated 2026-06-17

Description

Opera through 53 on Android allows Address Bar Spoofing. Characters from several languages are displayed in Right-to-Left order, due to mishandling of several Unicode characters. The rendering mechanism, in conjunction with the "first strong character" concept, may improperly operate on a numerical IP address or an alphabetic string, leading to a spoofed URL.

Affected products

• Opera Software AS Opera for Android: 52.1.2517.139570

References

• https://help.opera.com/en/latest/security-and-privacy/
• https://medium.com/bugbountywriteup/opera-android-address-bar-spoofing-cve-2019-12278-9ffcfd6c508c
• https://help.opera.com/en/latest/security-and-privacy/
• https://medium.com/bugbountywriteup/opera-android-address-bar-spoofing-cve-2019-12278-9ffcfd6c508c

Get alerted when CVE-2019-12278 or the next vulnerability affects your stack