What’s Vulnerable › Vulnerabilities

CVE-2021-47967: PHP Timeclock 1.04 Multiple Cross-Site Scripting via Parameters

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-15 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Timeclock PHP Timeclock: 1.04

References

• http://timeclock.sourceforge.net
• https://sourceforge.net/projects/timeclock/files/PHP%20Timeclock/PHP%20Timeclock%201.04/
• https://www.exploit-db.com/exploits/49853
• https://www.vulncheck.com/advisories/php-timeclock-multiple-cross-site-scripting-via-parameters

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