CVE-2025-40846 json
HaloITSM open redirect via the returnUrl
published last yr. modified 4mo ago also EUVD-2025-13959
- cvss
- 7.1
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
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
Is CVE-2025-40846 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.1 | 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 |
| CNA | 4.0 | 7.1 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:U/V:X/RE:L/U:Red |
Affected products
- HaloITSM ITSM
Classification
References
-
support.haloservicedesk.com
/kb?id=2501
vendor-advisory
Sources
- CVE List CVE-2025-40846
- NVD CVE-2025-40846
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.