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Vulnerability record · CVE-2020-8639 · published 3 April 2020

CVE-2020-8639: Testlink unrestricted file upload vulnerability

Testlink · Testlink

An unrestricted file upload vulnerability in keywordsImport.php in TestLink 1.9.20 allows remote attackers to execute arbitrary code by uploading a file with an executable extension. This allows an authenticated attacker to upload a malicious file (containing PHP code to execute operating system commands) to a publicly accessible directory of the application.

8.8 CVSS 3.1 High EPSS 16% · top 3.2% CWE-434 · Unrestricted file upload
8.8CVSS 3.1 base score, v2 6.5
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

An unrestricted file upload vulnerability in keywordsImport.php in TestLink 1.9.20 allows remote attackers to execute arbitrary code by uploading a file with an executable extension. This allows an authenticated attacker to upload a malicious file (containing PHP code to execute operating system commands) to a publicly accessible directory of the application.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/161401/TestLink-1.9.20-Shell-Upload.html ExploitThird Party AdvisoryVDB Entry
https://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/ ExploitPatchThird Party Advisory
https://github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c95087997fe051c49e14516d PatchThird Party Advisory
http://packetstormsecurity.com/files/161401/TestLink-1.9.20-Shell-Upload.html ExploitThird Party AdvisoryVDB Entry
https://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/ ExploitPatchThird Party Advisory
https://github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c95087997fe051c49e14516d PatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2007-6006Testlink improper authentication vulnerabilityTestLink before 1.7.1 does not enforce an unspecified authorization mechanism, which has unknown impact and attack vectors.EPSS 1.4%9.8CVE-2020-12274Testlink vulnerabilityIn TestLink 1.9.20, the lib/cfields/cfieldsExport.php goback_url parameter causes a security risk because it depends on client input and is not const…EPSS 1.2%9.8CVE-2020-8637Testlink sql injection vulnerabilityA SQL injection vulnerability in TestLink 1.9.20 allows attackers to execute arbitrary SQL commands in dragdroptreenodes.php via the node_id paramete…EPSS 2.9%9.8CVE-2020-8638Testlink sql injection vulnerabilityA SQL injection vulnerability in TestLink 1.9.20 allows attackers to execute arbitrary SQL commands in planUrgency.php via the urgency parameter.EPSS 1.7%9.8CVE-2015-7390Testlink sql injection vulnerabilitySQL injection vulnerability in TestLink before 1.9.14 allows remote attackers to execute arbitrary SQL commands via the apikey parameter to lnl.php.EPSS 1.6%9.0CVE-2014-5308Testlink sql injection vulnerabilityMultiple SQL injection vulnerabilities in TestLink 1.9.11 allow remote authenticated users to execute arbitrary SQL commands via the (1) name paramet…EPSS 3.5%8.8CVE-2022-35196Testlink cross-site request forgery vulnerabilityTestLink v1.9.20 was discovered to contain a Cross-Site Request Forgery (CSRF) via /lib/plan/planView.php.EPSS 0.50%8.8CVE-2019-20107Testlink sql injection vulnerabilityMultiple SQL injection vulnerabilities in TestLink through 1.9.19 allows remote authenticated users to execute arbitrary SQL commands via the (1) tpr…EPSS 2.0%

Source: NIST National Vulnerability Database (record CVE-2020-8639), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.