CVE-2019-17493
Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[sample_input] parameter to web...
Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[sample_input] parameter to web/admin/problem/create or web/polygon/problem/update.
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
6.1
Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[sample_input] parameter to web/admin/problem/create or web/polygon/problem/update.
- Record
CVE-2019-17493- 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
Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[sample_input] parameter to web/admin/problem/create or web/polygon/problem/update.
- Record
CVE-2019-17493- Updated
- 2026-11-02
EUVDEUVD-2019-7849 No score
Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[sample_input] parameter to web/admin/problem/create or web/polygon/problem/update.
- Record
EUVD-2019-7849- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xm6h-r8xh-f9jf
6.1
Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[sample_input] parameter to web...
Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[sample_input] parameter to web/admin/problem/create or web/polygon/problem/update.
- Record
GHSA-xm6h-r8xh-f9jf- 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 - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
6.1
Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[sample_input] parameter to web/admin/problem/create or web/polygon/problem/update.
- Record
CVE-2019-17493- 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 - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-17493 is a medium vulnerability (CVSS 6.1) in Jnoj Jiangnan Online Judge, published October 10, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.07%, the 65th percentile. No source names a fixed version.