PHP Timeclock 1.04 Multiple Cross-Site Scripting via Parameters

Advisories

PHP Timeclock 1.04 Multiple Cross-Site Scripting via Parameters

severity: medium
date: 5/15/2026
Affecting: PHP Timeclock <= 1.04
CVE: CVE-2021-47967
CWE: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS: 5.1
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
References: ExploitDB-49853
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Credit: Tyler Butler
Description: PHP Timeclock 1.04 contains multiple cross-site scripting vulnerabilities that allow unauthenticated attackers to inject arbitrary JavaScript by manipulating URL paths and POST parameters. Attackers can append malicious payloads to login.php, timeclock.php, audit.php, and timerpt.php endpoints, or inject code through from_date and to_date parameters in report requests to execute scripts in user browsers.

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