CVE-2018-19249 — The Stripe API v1 allows remote attackers to bypass intended access restrictions

The Stripe API v1 allows remote attackers to bypass intended access restrictions by replaying api.stripe.com /v1/tokens XMLHttpRequest data, parsing the response under the object card{}, and reading the cvc_check information if the creation is successful without charging the actu

01What is this vulnerability?

The Stripe API v1 allows remote attackers to bypass intended access restrictions by replaying api.stripe.com /v1/tokens XMLHttpRequest data, parsing the response under the object card{}, and reading the cvc_check information if the creation is successful without charging the actual card used in the transaction.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-01-03T22:00:00.000Z
• Last modified: 2024-08-05T11:30:04.184Z

09References

• fredmooredamian.blogspot.com — https://fredmooredamian.blogspot.com/2019/01/improper-authentication-on-stripe-a…