How severe is CVE-2017-17068?

CVE-2017-17068 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-17068 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17068?

CVE-2017-17068 affects Auth0 Auth0.js. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-17068?

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-2017-17068 published?

CVE-2017-17068 was published on 2017-12-06 and last updated on 2026-06-17.

CVE-2017-17068

CVE-2017-17068 is a high-severity vulnerability in Auth0 Auth0.js with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Auth0 Auth0.js
Published: 2017-12-06
Last modified: 2026-06-17

Description

A cross-origin vulnerability has been discovered in the Auth0 auth0.js library affecting versions < 8.12. This vulnerability allows an attacker to acquire authenticated users' tokens and invoke services on a user's behalf if the target site or application uses a popup callback page with auth0.popup.callback().

Frequently asked questions

What is CVE-2017-17068?: A cross-origin vulnerability has been discovered in the Auth0 auth0.js library affecting versions < 8.12. This vulnerability allows an attacker to acquire authenticated users' tokens and invoke services on a user's behalf if the target site or application uses a popup callback page with auth0.popup.callback().
How severe is CVE-2017-17068?: CVE-2017-17068 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-17068 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17068?: CVE-2017-17068 affects Auth0 Auth0.js. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-17068?: 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-2017-17068 published?: CVE-2017-17068 was published on 2017-12-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:auth0:auth0.js:*:*:*:*:*:*:*:*

More vulnerabilities in Auth0 Auth0.js

CVE-2018-6873 — Critical (CVSS 9.8): The Auth0 authentication service before 2017-10-15 allows privilege escalation because the JWT audience is not…
CVE-2018-6874 — High (CVSS 8.8): CSRF exists in the Auth0 authentication service through 14591 if the Legacy Lock API flag is enabled.
CVE-2018-7307 — High (CVSS 8.8): The Auth0 Auth0.js library before 9.3 has CSRF because it mishandles the case where the authorization response lacks…
CVE-2020-15125 — High (CVSS 7.7): In auth0 (npm package) versions before 2.27.1, a DenyList of specific keys that should be sanitized from the request…
CVE-2026-42280 — High (CVSS 7.1): Auth0.js is a client-side JavaScript library for Auth0. From 8.11.0 to 9.32.0, under specific preconditions, the…
CVE-2020-5263 — Medium (CVSS 5.5): auth0.js (NPM package auth0-js) greater than version 8.0.0 and before version 9.12.3 has a vulnerability. In the case…

All CVEs affecting Auth0 Auth0.js →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →