Vulnerability in Expo Software Development Kit

CVE-2023-28131

A vulnerability in the expo.io framework allows an attacker to take over accounts and steal credentials on an application/website that configured the "Expo AuthSession Redirect Proxy" for social sign-in. This can be achieved once a victim clicks a malicious link. The link itself may be sent to the victim in various ways (including email, text message, an attacker-controlled website, etc).

EPSS: 0.230 (97.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-28131?
CVE-2023-28131 is a critical-severity vulnerability in Expo Software Development Kit, classified under Insufficiently Protected Credentials. CVSS score: 9.6/10. Published 2023-04-24.
How severe is CVE-2023-28131?
Critical severity. CVSS v3 base score is 9.6 out of 10.