CVE-2019-17490

8.8 highEPSS 1.5%

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.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2019-10-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

jnoj:jiangnan_online_judge

References

https://github.com/shi-yang/jnoj/issues/51
https://github.com/shi-yang/jnoj/issues/51

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