CVE-2022-25898EPSS p62.4%

CVE-2022-25898CVE-2022-25898

kjur / jsrsasign

Description

The package jsrsasign before 10.5.25 are vulnerable to Improper Verification of Cryptographic Signature when JWS or JWT signature with non Base64URL encoding special characters or number escaped characters may be validated as valid by mistake. Workaround: Validate JWS or JWT signature if it has Base64URL and dot safe string before executing JWS.verify() or JWS.verifyJWT() method.

Scoring

CVSS 7.7 ()
VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
EPSS1.10% probability of exploitation · percentile 62.4% · 2026-08-06T12:00:30Z
Last modified2026-06-22
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.