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CVE-2017-17068

25
FAUCET Score

CVE-2017-17068 is a cross-origin vulnerability in Auth0's auth0.js library, specifically affecting versions prior to 8.12. This flaw allows an attacker to steal authenticated user tokens and impersonate users by invoking services on their behalf, provided the target application utilizes auth0.popup.callback() for popup authentication. With a CVSS score of 7.5 (HIGH), this vulnerability presents a significant risk due to its network-based attack vector and low attack complexity, potentially leading to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.12CPE matchmatch criteria
cpe:2.3:a:auth0:auth0.js:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.42%
Probability of exploitation in next 30 days
EPSS Percentile
70.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0142 is in the 51st percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

npmpatch availablevia ghsa
Product: auth0-jsFixed in: 8.12.0

Vendor Advisories (1)

npmGHSA-3rpr-mg43-xhq4high

auth0-js Privilege Escalation Vulnerability

Dec 21, 2017

References

appcheck-ng.com / appcheck-discovers-vulnerability-auth0-library-cve-2017-17068
ExploitIssue TrackingThird Party Advisory
auth0.com / docs/security/bulletins/cve-2017-17068
Issue TrackingVendor Advisory