How severe is CVE-2019-16751?

CVE-2019-16751 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-16751 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16751?

CVE-2019-16751 affects Devise Token Auth Project Devise Token Auth. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16751?

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

When was CVE-2019-16751 published?

CVE-2019-16751 was published on 2019-09-24 and last updated on 2026-06-17.

CVE-2019-16751

CVE-2019-16751 is a medium-severity vulnerability in Devise Token Auth Project Devise Token Auth with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Devise Token Auth Project Devise Token Auth
Published: 2019-09-24
Last modified: 2026-06-17

Description

An issue was discovered in Devise Token Auth through 1.1.2. The omniauth failure endpoint is vulnerable to Reflected Cross Site Scripting (XSS) through the message parameter. Unauthenticated attackers can craft a URL that executes a malicious JavaScript payload in the victim's browser. This affects the fallback_render method in the omniauth callbacks controller.

Frequently asked questions

What is CVE-2019-16751?: An issue was discovered in Devise Token Auth through 1.1.2. The omniauth failure endpoint is vulnerable to Reflected Cross Site Scripting (XSS) through the message parameter. Unauthenticated attackers can craft a URL that executes a malicious JavaScript payload in the victim's browser. This affects the fallback_render method in the omniauth callbacks controller.
How severe is CVE-2019-16751?: CVE-2019-16751 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-16751 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16751?: CVE-2019-16751 affects Devise Token Auth Project Devise Token Auth. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16751?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16751 published?: CVE-2019-16751 was published on 2019-09-24 and last updated on 2026-06-17.

References

https://github.com/lynndylanhurley/devise_token_auth/issues/1332

Affected products (1)

cpe:2.3:a:devise_token_auth_project:devise_token_auth:*:*:*:*:*:*:*:*

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