CVE-2021-23335

CVE-2021-23335 describes an LDAP Injection vulnerability affecting all versions of the "is-user-valid" package. This flaw allows unauthenticated attackers to achieve either authentication bypass or information exposure due to the absence of input sanitization. Rated with a CVSS score of 7.5 (HIGH), the vulnerability is easily exploitable over the network with low attack complexity, requiring no user interaction. While the EPSS score is low and there is no evidence of active exploitation, public exploit code, or significant community discussion, organizations using the affected package should still prioritize remediation to mitigate potential risks.