CVE-2021-3783: Cross-site Scripting in yourls

CVE-2021-3783 · Severity: low · CVSS 3 · Published 2021-09-20

Cross-site Scripting in yourls

Technologies: yourls/yourls (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2021-3783 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-3783 being exploited in the wild.
How severe is CVE-2021-3783?
Low severity, with a CVSS score of 3, published 20 September 2021.
Which products and versions are affected?
yourls/yourls (Packagist) ECOSYSTEM:introduced=0,last_affected=1.8.2.
Is there a fix for CVE-2021-3783?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2021-3783?
Check whether you run yourls/yourls (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • yourls/yourls (Packagist) ECOSYSTEM:introduced=0,last_affected=1.8.2

Identifiers

  • CVE-2021-3783
  • GHSA-cpq8-x35g-m439

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