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TI-2019-13037 Aliases CVE-2019-17490GHSA-6p99-hvv7-w5v2

app\modules\polygon\controllers\ProblemController in Jiangnan Online Judge (aka jnoj)…

Priority MEDIUM 41CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

app\modules\polygon\controllers\ProblemController in Jiangnan Online Judge (aka jnoj) 0.8.0 allows arbitrary file upload, as demonstrated by PHP code (with a .php filename but the image/png content type) to the web/polygon/problem/tests URI.

Why it matters now

EPSS 0.01494 74th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jnoj:jiangnan_online_judge:0.8.0:*:*:*:*:*:*:*0.8.0VulnerableJnoj
  • cpe:2.3:a:jnoj:jiangnan_online_judge:0.8.0:*:*:*:*:*:*:* Versions 0.8.0 Vulnerable ·Jnoj

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-17490
  2. 2026-10-03 Alias added: GHSA-6p99-hvv7-w5v2

References

Exploit 1

  • TI-2019-13082 Jiangnan Online Judge (aka jnoj) 0.8.0 has Directory Traversal for file reading via the… CVSS 3.1HIGH 7.5
  • TI-2019-13081 Jiangnan Online Judge (aka jnoj) 0.8.0 has Directory Traversal for file deletion via the… CVSS 3.1HIGH 7.5
  • TI-2019-13039 Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[sample_input] parameter to… CVSS 3.1MEDIUM 6.1
  • TI-2019-13038 Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[description] parameter to… CVSS 3.1MEDIUM 6.1
  • TI-2019-13036 Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[title] parameter to… CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences