Read the docs
TI-2017-03997 Aliases CVE-2017-6099GHSA-p4g7-wjhq-9r2h

Cross-site scripting (XSS) vulnerability in GetAuthDetails.html.php in PayPal PHP…

Priority LOW 30CWE-79Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Cross-site scripting (XSS) vulnerability in GetAuthDetails.html.php in PayPal PHP Merchant SDK (aka merchant-sdk-php) 3.9.1 allows remote attackers to inject arbitrary web script or HTML via the token parameter.

Why it matters now

EPSS 0.01244 69th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed paypal/merchant-sdk-php (Packagist): 3.12.0

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
—paypal/merchant-sdk-php (Packagist)3.0.0 to before 3.12.03.12.0Patch availableGHSA-p4g7-wjhq-9r2h
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • paypal/merchant-sdk-php (Packagist) Vendor— Affected 3.0.0 to before 3.12.0 Fixed in 3.12.0 Patch available GHSA-p4g7-wjhq-9r2h

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:paypal:merchant-sdk-php:3.9.1:*:*:*:*:*:*:*3.9.1VulnerablePayPal
  • cpe:2.3:a:paypal:merchant-sdk-php:3.9.1:*:*:*:*:*:*:* Versions 3.9.1 Vulnerable ·PayPal

Remediation

  • Fix · GHSA-p4g7-wjhq-9r2h paypal/merchant-sdk-php (Packagist) Fixed in 3.12.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-6099
  2. 2026-10-03 Alias added: GHSA-p4g7-wjhq-9r2h

References

Sources