PatchTheCVECVE-2020-6159: URLs using “javascript:” have the protocol removed when pasted into the address bar to protect users from cros
CVE-2020-6159 is a medium-severity flaw (CVSS 6.1) affecting opera. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 49%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2020-12-23 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-6159?
opera: upgrade to 61.0.3076.56532. Exact commands for each OS are on this page.
Is CVE-2020-6159 being exploited?
CVE-2020-6159 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-6159 affect?
CVE-2020-6159 affects opera. Severity is medium (CVSS 6.1). 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
How urgent is CVE-2020-6159?
Priority 34/100. No elevated risk signals yet.
Software pages
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