CVE-2020-15255: CSV injection in Anuko Time Tracker

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-10-16 · updated 2026-06-17
Weakness: CWE-74

Description

In Anuko Time Tracker before verion 1.19.23.5325, due to not properly filtered user input a CSV export of a report could contain cells that are treated as formulas by spreadsheet software (for example, when a cell value starts with an equal sign). This is fixed in version 1.19.23.5325.

Affected products

anuko timetracker: before 1.19.23.5325 — fixed in 1.19.23.5325

How to fix

Upgrade to a fixed version: anuko timetracker 1.19.23.5325. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/159996/Anuko-Time-Tracker-1.19.23.5325-CSV-Injection.html
https://github.com/anuko/timetracker/commit/d9472904361495f318c9d0294ffd28acaaeae42f
https://github.com/anuko/timetracker/security/advisories/GHSA-prjf-9mgh-8fpv
https://www.exploit-db.com/exploits/49027
http://packetstormsecurity.com/files/159996/Anuko-Time-Tracker-1.19.23.5325-CSV-Injection.html
https://github.com/anuko/timetracker/commit/d9472904361495f318c9d0294ffd28acaaeae42f
https://github.com/anuko/timetracker/security/advisories/GHSA-prjf-9mgh-8fpv
https://www.exploit-db.com/exploits/49027

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