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Vulnerability record · CVE-2021-29436 · published 13 April 2021

CVE-2021-29436: Anuko time tracker cross-site request forgery vulnerability

Anuko · Time Tracker

Anuko Time Tracker is an open source, web-based time tracking application written in PHP. In Time Tracker before version 1.19.27.5431 a Cross site request forgery (CSRF) vulnerability existed. The nature of CSRF is that a logged on user may be tricked by social engineering to click on an attacker-provided form that executes an unintended action such as changing user password. The vulnerability is fixed in Time Tracker version 1.19.27.5431. Upgrade is recommended. If upgrade is not practical, introduce ttMitigateCSRF() function in /WEB-INF/lib/common.php.lib using the latest available code and call it from ttAccessAllowed().

8.1 CVSS 3.1 High EPSS 0.53% · top 57.8% CWE-352 · Cross-site request forgery
8.1CVSS 3.1 base score, v2 5.8
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Anuko Time Tracker is an open source, web-based time tracking application written in PHP. In Time Tracker before version 1.19.27.5431 a Cross site request forgery (CSRF) vulnerability existed. The nature of CSRF is that a logged on user may be tricked by social engineering to click on an attacker-provided form that executes an unintended action such as changing user password. The vulnerability is fixed in Time Tracker version 1.19.27.5431. Upgrade is recommended. If upgrade is not practical, introduce ttMitigateCSRF() function in /WEB-INF/lib/common.php.lib using the latest available code and call it from ttAccessAllowed().

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

Affected products

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

References

LinkTags
https://github.com/anuko/timetracker/commit/e3f8222ee308322942bcebcd86b78ecf19382563 PatchThird Party Advisory
https://github.com/anuko/timetracker/commit/e77be7eea69df5d52e19f9f25b5b89a0e66a5b8e PatchThird Party Advisory
https://github.com/anuko/timetracker/security/advisories/GHSA-pgpx-rfvj-9g4f Third Party Advisory
https://github.com/anuko/timetracker/commit/e3f8222ee308322942bcebcd86b78ecf19382563 PatchThird Party Advisory
https://github.com/anuko/timetracker/commit/e77be7eea69df5d52e19f9f25b5b89a0e66a5b8e PatchThird Party Advisory
https://github.com/anuko/timetracker/security/advisories/GHSA-pgpx-rfvj-9g4f Third Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2021-29436), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.