Habitica is an open-source habit-building program. Versions prior to 5.28.5 are vulnerable to reflected cross-site scripting. The `register` function in `home.vue` containsa reflected XSS vulnerability due to an incorrect sanitization function. An attacker can specify a malicious `redirectTo` parameter to trigger the vulnerability. Arbitrary javascript can be executed by the attacker in the context of the victim’s session. Version 5.28.5 contains a patch.
https://securitylab.github.com/advisories/GHSL-2024-109_GHSL-2024-111_habitica/
https://github.com/HabitRPG/habitica/commit/946ade5da1f52a804ef2ba76d49416c43e8166bf
Published: 2024-12-12
Updated: 2025-09-05
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
Base Score: 5.1
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
Severity: Medium
EPSS: 0.00068