CVE-2021-40178
Zoho ManageEngine Log360 before Build 5224 allows stored XSS via the LOGO_PATH key value in the...
Zoho ManageEngine Log360 before Build 5224 allows stored XSS via the LOGO_PATH key value in the logon settings.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Zoho ManageEngine Log360 before Build 5224 allows stored XSS via the LOGO_PATH key value in the logon settings.
- Record
CVE-2021-40178- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Zoho ManageEngine Log360 before Build 5224 allows stored XSS via the LOGO_PATH key value in the logon settings.
- Record
CVE-2021-40178- Updated
- 2026-11-02
EUVDEUVD-2021-27363 No score
Zoho ManageEngine Log360 before Build 5224 allows stored XSS via the LOGO_PATH key value in the logon settings.
- Record
EUVD-2021-27363- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vv26-mcjh-pgrg No score
Zoho ManageEngine Log360 before Build 5224 allows stored XSS via the LOGO_PATH key value in the...
Zoho ManageEngine Log360 before Build 5224 allows stored XSS via the LOGO_PATH key value in the logon settings.
- Record
GHSA-vv26-mcjh-pgrg- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-40178 is a medium vulnerability (CVSS 6.1) in Zohocorp Manageengine Log360, published August 29, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. No source names a fixed version.