CVE-2021-3783
Cross-site Scripting in yourls
6.6
MEDIUM
CVSS 3.1
EPSS 0.36%
Description
yourls is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in arbitrary path handling.
How to fix CVE-2021-3783
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Packagist/yourls/yourls—no fix listed
Is CVE-2021-3783 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, <= 1.8.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.6 | CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |