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TI-2012-04830 Aliases CVE-2012-5789GHSA-mgfc-3528-7px3

PayPal Payments Standard PHP Library before 20120427 does not verify that the server…

Priority LOW 27CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

PayPal Payments Standard PHP Library before 20120427 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to intentional disabling of certificate-validation checks through a "FALSE" value.

Why it matters now

EPSS 0.0057 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

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
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:paypal:payments_standard:-:*:*:*:*:*:*:*not specified by NVDVulnerablePayPal
  • cpe:2.3:a:paypal:payments_standard:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·PayPal

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-5789
  2. 2026-10-03 Alias added: GHSA-mgfc-3528-7px3

References

Exploit 1

  • TI-2012-04831 PayPal Payments Standard PHP Library 20120427 does not verify that the server hostname… CVSS 2.0MEDIUM 5.8

Sources

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