CVE-2012-5802: The PayPal module in Ubercart does not verify that the server hostname matches a domain name in the subject's

Routine

MEDIUM 5.8MITIGATEMITIGATE

CVE-2012-5802 is a medium-severity flaw (CVSS 5.8) affecting paypal, ubercart. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The PayPal module in Ubercart 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.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-20
Published	2012-11-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: paypal · ubercart

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-11-04 22:55 UTCPublished CVE record published
2026-06-16 23:47 UTCUpdated Record last modified

paypal paypal MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy paypal || rpm -q paypal || paypal --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

ubercart ubercart MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ubercart || rpm -q ubercart || ubercart --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2012-5802?

paypal: mitigate or apply the listed mitigation; ubercart: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-5802 being exploited?

CVE-2012-5802 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2012-5802 affect?

CVE-2012-5802 affects paypal, ubercart. Severity is medium (CVSS 5.8). The PayPal module in Ubercart 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 v

How urgent is CVE-2012-5802?

Priority 37/100. Public exploit reference

Related CVEs

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CVE-2024-33980 HIGH 7.1 DOWNGRADE DOWNGRADE Cross-Site Scripting (XSS) vulnerability in PayPal, Credit Card and Debit Card Payment affecting version 1.0
CVE-2024-33979 HIGH 7.1 DOWNGRADE DOWNGRADE Cross-Site Scripting (XSS) vulnerability in PayPal, Credit Card and Debit Card Payment affecting version 1.0
CVE-2024-33973 CRITICAL 9.8 DOWNGRADE DOWNGRADE SQL injection vulnerability in PayPal, Credit Card and Debit Card Payment affecting version 1.0
CVE-2024-33972 CRITICAL 9.8 DOWNGRADE DOWNGRADE SQL injection vulnerability in PayPal, Credit Card and Debit Card Payment affecting version 1.0

References

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