CVE-2021-47967

MEDIUM

PHP Timeclock 1.04 Multiple Cross-Site Scripting via Parameters

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-47967. PoCs published by Tyler Butler.

AI-analyzed exploit summary The exploit demonstrates multiple unauthenticated reflected XSS vulnerabilities in PHP Timeclock 1.04. It includes payloads and steps to reproduce the vulnerabilities via both GET and POST requests.

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.

Exploits (1)

exploitdb WORKING POC
by Tyler Butler · textwebappsphp
https://www.exploit-db.com/exploits/49853

The exploit demonstrates multiple unauthenticated reflected XSS vulnerabilities in PHP Timeclock 1.04. It includes payloads and steps to reproduce the vulnerabilities via both GET and POST requests.

Classification
Working Poc 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: PHP Timeclock 1.04
No auth needed
Prerequisites: Access to the target application
devstral-2 · analyzed May 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit exploit
ExploitDB-49853
https://www.exploit-db.com/exploits/49853
Product product
Official Product Homepage
http://timeclock.sourceforge.net
Third Party Advisory third-party-advisory
VulnCheck Advisory: PHP Timeclock 1.04 Multiple Cross-Site Scripting via Parameters
https://www.vulncheck.com/advisories/php-timeclock-multiple-cross-site-scripting-via-parameters

Scores

CVSS v3 6.1
EPSS 0.0021
EPSS Percentile 11.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
Timeclock/PHP Timeclock 1.04
Published May 15, 2026
Tracked Since May 16, 2026