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TI-2020-16654 Aliases CVE-2020-27388GHSA-pwgg-r6fq-mf94

Multiple Stored Cross Site Scripting (XSS) vulnerabilities exist in the YOURLS Admin…

Priority LOW 26CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Multiple Stored Cross Site Scripting (XSS) vulnerabilities exist in the YOURLS Admin Panel, Versions 1.5 - 1.7.10. An authenticated user must modify a PHP plugin with a malicious payload and upload it, resulting in multiple stored XSS issues.

Why it matters now

EPSS 0.00715 53rd percentileScored 2026-11-07
Fix Fixed yourls/yourls (Packagist): 1.8

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—yourls/yourls (Packagist)1.5 to before 1.81.8Patch availableGHSA-pwgg-r6fq-mf94
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • yourls/yourls (Packagist) Vendor— Affected 1.5 to before 1.8 Fixed in 1.8 Patch available GHSA-pwgg-r6fq-mf94

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:yourls:yourls:*:*:*:*:*:*:*:*1.5 – 1.7.10Vulnerableyourls
  • cpe:2.3:a:yourls:yourls:*:*:*:*:*:*:*:* Versions 1.5 – 1.7.10 Vulnerable ·yourls

Remediation

  • Fix · GHSA-pwgg-r6fq-mf94 yourls/yourls (Packagist) Fixed in 1.8 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27388
  2. 2026-10-03 Alias added: GHSA-pwgg-r6fq-mf94

References

Advisory 3

Other 5

  • TI-2019-10834 YOURLS through 1.7.3 is affected by a type juggling vulnerability in the api component that can result in login bypass. CVSS 3.0CRITICAL 9.8
  • TI-2021-02667 Improper Restriction of Rendered UI Layers or Frames in yourls/yourls CVSS 3.1HIGH 8.8
  • TI-2022-00039 Cross-Site Request Forgery (CSRF) in yourls/yourls CVSS 3.1HIGH 7.4
  • TI-2021-02714 Cross-site Scripting (XSS) - Reflected in yourls/yourls CVSS 3.1MEDIUM 6.1
  • TI-2021-02716 Cross-site Scripting (XSS) - Stored in yourls/yourls CVSS 3.1MEDIUM 5.4
  • TI-2011-03381 Your Own URL Shortener (YOURLS) 1.5 allows remote attackers to obtain sensitive… CVSS 2.0MEDIUM 5.0
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences