CVE-2023-0567

PoC —

CVSS 3.1

6.2 medium

EPSS

<1%p59

Published

Mar 1, 2023 (Mar 1, 2023)

Modified

Jul 19, 2026

Description

In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.

Vendors: php
Products: php
Weakness: CWE-916
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.9%)

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