XSS in Opera

CVE-2020-6159

URLs using “javascript:” have the protocol removed when pasted into the address bar to protect users from cross-site scripting (XSS) attacks, but in certain circumstances this removal was not performed. This could allow users to be socially engineered to run an XSS attack against themselves. This vulnerability affects Opera for Android versions below 61.0.3076.56532.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Opera
  • N/a Opera For Android — versions Below 61.0.3076.56532

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-6159?
CVE-2020-6159 is a medium-severity vulnerability in Opera, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-12-23.
How severe is CVE-2020-6159?
Medium severity. CVSS v3 base score is 6.1 out of 10.