CVE-2015-6527: PHP

High severity, CVSS 7.3. EPSS: 3.9% chance of exploitation in the next 30 days.

The php_str_replace_in_subject function in ext/standard/string.c in PHP 7.x before 7.0.0 allows remote attackers to execute arbitrary code via a crafted value in the third argument to the str_ireplace function.

Affected products

• PHP PHP: version 7.0.0 only

Published 2016-01-19. Last modified 2026-06-17.