CVE-2025-53548CWE-345

@clerk/backend Performs Insufficient Verification of Data Authenticity

High · published July 9, 2025

CVSS v3.1
7.5
EPSS
0%
Percentile
6.3
In the wild
Unconfirmed
What it is

Clerk helps developers build user management. Applications that use the verifyWebhook() helper to verify incoming Clerk webhooks are susceptible to accepting improperly signed webhook events. The issue was resolved in @clerk/backend 2.4.0.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00172 · 6.3th percentile
Weakness
CWE-345 · Insufficient Verification of Data Authenticity
Published
2025-07-09T17:12Z
EPSS history
Timeline
  • 09 JUL 17:12Z
    @clerk/backend Performs Insufficient Verification of Data Authenticity
    cvelistv5