CVE-2021-3785: Cross-site Scripting in yourls

CVE-2021-3785 · Severity: low · CVSS 3.1 · Published 2021-09-20

Cross-site Scripting in yourls

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

Quick answers

Is CVE-2021-3785 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-3785 being exploited in the wild.
How severe is CVE-2021-3785?
Low severity, with a CVSS score of 3.1, published 20 September 2021.
Which products and versions are affected?
yourls/yourls (Packagist) ECOSYSTEM:introduced=0,fixed=1.8.2.
Is there a fix for CVE-2021-3785?
Yes. yourls/yourls (Packagist): upgrade to 1.8.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-3785?
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.

How to fix

  • yourls/yourls (Packagist): upgrade to 1.8.2 or later
    composer require yourls/yourls:^1.8.2

Affected products

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

Identifiers

  • CVE-2021-3785
  • GHSA-m9fq-c9hp-59g7

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