CVE-2017-9841

CriticalCVSS 9.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-94

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://web.archive.org/web/20170701212357/http://phpunit.vulnbusters.com/Third Party Advisory
http://www.securityfocus.com/bid/101798Broken Link
http://www.securitytracker.com/id/1039812Broken Link
https://github.com/sebastianbergmann/phpunit/commit/284a69fb88a2d0845d23f42974a583d8f59bf5a5Patch, Third Party Advisory
https://github.com/sebastianbergmann/phpunit/pull/1956Patch, Third Party Advisory
https://security.gentoo.org/glsa/201711-15Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
http://web.archive.org/web/20170701212357/http://phpunit.vulnbusters.com/Third Party Advisory
http://www.securityfocus.com/bid/101798Broken Link
http://www.securitytracker.com/id/1039812Broken Link
https://github.com/sebastianbergmann/phpunit/commit/284a69fb88a2d0845d23f42974a583d8f59bf5a5Patch, Third Party Advisory
https://github.com/sebastianbergmann/phpunit/pull/1956Patch, Third Party Advisory
https://security.gentoo.org/glsa/201711-15Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9841US Government Resource

Timeline

Published: Jun 27, 2017
Last modified: Jun 17, 2026
Added to CISA KEV: Feb 15, 2022
NVD status: Analyzed

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