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).

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.232 (97.7th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-28131: held from 0.232 to 0.232.

EPSS over last 30 days · oldest: 0.232 · newest: 0.232 · change: 0.000

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.