CVE-2025-40846

7.1 highEPSS 0.4%

High (7.1). EPSS 0.4% chance of exploitation in the next 30 days.

Improper Input Validation, the returnUrl parameter in Account Security Settings lacks proper input validation, allowing attackers to redirect users to malicious websites (Open Redirect) and inject JavaScript code to perform cross site scripting attack. The vulnerability affects Halo versions up to 2.174.101 and all versions between 2.175.1 and 2.184.21

Severity

CVSS 4.0

7.1 high

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:L/VA:N/SC:H/SI:H/SA:H/S:P/AU:Y/R:U/RE:L/U:Red

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWEs: CWE-20, CWE-601
Published: 2025-05-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://support.haloservicedesk.com/kb?id=2501

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