How severe is CVE-2013-4562?

CVE-2013-4562 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2013-4562 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4562?

CVE-2013-4562 affects Madeofcode Omniauth-facebook. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4562?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4562 published?

CVE-2013-4562 was published on 2014-05-13 and last updated on 2026-06-16.

CVE-2013-4562

CVE-2013-4562 is a medium-severity vulnerability in Madeofcode Omniauth-facebook with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Madeofcode Omniauth-facebook
Published: 2014-05-13
Last modified: 2026-06-16

Description

The omniauth-facebook gem 1.4.1 before 1.5.0 does not properly store the session parameter, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks via the state parameter.

Frequently asked questions

What is CVE-2013-4562?: The omniauth-facebook gem 1.4.1 before 1.5.0 does not properly store the session parameter, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks via the state parameter.
How severe is CVE-2013-4562?: CVE-2013-4562 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2013-4562 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4562?: CVE-2013-4562 affects Madeofcode Omniauth-facebook. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4562?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4562 published?: CVE-2013-4562 was published on 2014-05-13 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:madeofcode:omniauth-facebook:1.4.1:*:*:*:*:ruby:*:*

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