How severe is CVE-2013-4227?

CVE-2013-4227 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2013-4227 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4227?

CVE-2013-4227 affects Mozilla Persona. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4227?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-4227 published?

CVE-2013-4227 was published on 2020-02-18 and last updated on 2026-06-16.

CVE-2013-4227

CVE-2013-4227 is a high-severity vulnerability in Mozilla Persona with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Mozilla Persona
Published: 2020-02-18
Last modified: 2026-06-16

Description

Cross-site request forgery (CSRF) vulnerability in the persona_xsrf_token function in persona.module in the Mozilla Persona module 7.x-1.x before 7.x-1.11 for Drupal allows remote attackers to hijack the authentication of aribitrary users via a security token that is not a string data type.

Frequently asked questions

What is CVE-2013-4227?: Cross-site request forgery (CSRF) vulnerability in the persona_xsrf_token function in persona.module in the Mozilla Persona module 7.x-1.x before 7.x-1.11 for Drupal allows remote attackers to hijack the authentication of aribitrary users via a security token that is not a string data type.
How severe is CVE-2013-4227?: CVE-2013-4227 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2013-4227 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4227?: CVE-2013-4227 affects Mozilla Persona. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4227?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-4227 published?: CVE-2013-4227 was published on 2020-02-18 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mozilla:persona:*:*:*:*:*:drupal:*:*

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