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TI-2023-12710 Aliases CVE-2023-28131GHSA-wr5g-q49g-548w

Insufficiently protected credentials in Expo.io Expo AuthSession module

Priority MEDIUM 63CWE-522Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-522.

Summary

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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.23165 97th percentileScored 2026-11-07
Fix Fixed expo (npm): 48.0.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Expo.ioExpo AuthSession moduleall versions—No fix listedCNA
—expo (npm)before 48.0.048.0.0Patch availableGHSA-wr5g-q49g-548w
  • Expo AuthSession module VendorExpo.io Affected all versions Fixed in — No fix listed CNA
  • expo (npm) Vendor— Affected before 48.0.0 Fixed in 48.0.0 Patch available GHSA-wr5g-q49g-548w

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:expo:expo_software_development_kit:*:*:*:*:*:*:*:*45.0.0 to before 48.0.0VulnerableExpo
  • cpe:2.3:a:expo:expo_software_development_kit:*:*:*:*:*:*:*:* Versions 45.0.0 to before 48.0.0 Vulnerable ·Expo

Remediation

  • Fix · GHSA-wr5g-q49g-548w expo (npm) Fixed in 48.0.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-28131
  2. 2026-10-03 Alias added: GHSA-wr5g-q49g-548w

References

Sources