August 3, 2026

CVE Watchtower


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CVE-2017-9841NVD

Vulnerability Summary

Util/PHP/eval-stdin.php in PHPUnit before 4.8.28 and 5.x before 5.6.3 allows remote attackers to execute arbitrary PHP code via HTTP POST data beginning with a "<?php " substring, as demonstrated by an attack on a site with an exposed /vendor folder, i.e., external access to the /vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php URI.
Severity Level
CRITICAL(9.8)
Published Date
Jun 27, 2017
Last Modified
Apr 21, 2026
Exploitation Status
ACTIVE
EPSS Score (30-Day)
94.21%Probability
Root Weakness (CWE)
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended syntax or behavior.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh