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CVE-2017-9841

Code Injection — is CVE-2017-9841real, exploitable, or a false positive? Here's the community ground truth.

Critical · CVSS 9.8EPSS 100.0%CISA KEVCWE-94 · Code Injection

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

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Community ground truth

Community verdict

3 verdicts
Not a real issue

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Community real-world severity: Critical (Critical 3) — CVSS base score 9.8

In line with its CVSS base score.

Field notes & remediation

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  • 0
    Field note · Priya NairCurated

    Confirmed exploited in the wild — listed in the CISA KEV catalog (added 2022-02-15). Treat as real and prioritize patching over triage.

Same weaknessCWE-94 · Code Injection.