CVE-2020-8493
A stored XSS vulnerability in Kronos Web Time and Attendance (webTA) affects 3.8.x and later 3.x...
CVE-2020-8493 is a medium vulnerability (CVSS 6.9) in Kronos Web Time And Attendance, published January 30, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.49%, the 74th percentile. No source names a fixed version.
A stored XSS vulnerability in Kronos Web Time and Attendance (webTA) affects 3.8.x and later 3.x versions before 4.0 via multiple input fields (Login Message, Banner Message, and Password Instructions) of the com.threeis.webta.H261configMenu servlet via an authenticated administrator.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
A stored XSS vulnerability in Kronos Web Time and Attendance (webTA) affects 3.8.x and later 3.x versions before 4.0 via multiple input fields (Login Message, Banner Message, and Password Instructions) of the com.threeis.webta.H261configMenu servlet via an authenticated administrator.
- Record
CVE-2020-8493- CVSS 3.0
- 6.9 Medium
CVSS:3.0/AC:L/AV:N/A:N/C:L/I:H/PR:H/S:C/UI:R - Updated
- 2026-11-02
EUVDEUVD-2020-29359
A stored XSS vulnerability in Kronos Web Time and Attendance (webTA) affects 3.8.x and later 3.x versions before 4.0 via multiple input fields (Login Message, Banner Message, and Password Instructions) of the com.threeis.webta.H261configMenu servlet via an authenticated administrator.
- Record
EUVD-2020-29359- CVSS 3.0
- 6.9 Medium
CVSS:3.0/AC:L/AV:N/A:N/C:L/I:H/PR:H/S:C/UI:R - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-52p7-j296-qwmp No score
A stored XSS vulnerability in Kronos Web Time and Attendance (webTA) affects 3.8.x and later 3.x...
A stored XSS vulnerability in Kronos Web Time and Attendance (webTA) affects 3.8.x and later 3.x versions before 4.0 via multiple input fields (Login Message, Banner Message, and Password Instructions) of the com.threeis.webta.H261configMenu servlet via an authenticated administrator.
- Record
GHSA-52p7-j296-qwmp- Updated
- 2026-11-02
NVD
A stored XSS vulnerability in Kronos Web Time and Attendance (webTA) affects 3.8.x and later 3.x versions before 4.0 via multiple input fields (Login Message, Banner Message, and Password Instructions) of the com.threeis.webta.H261configMenu servlet via an authenticated administrator.
- Record
CVE-2020-8493- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - CVSS 3.0
- 6.9 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:H/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Kronos WebTA 4.0 - Authenticated Remote Privilege Escalation | 2020-02-05 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD |