https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2019-17538.htmlhttps://patchthecve.com/cve/CVE-2019-17538.htmlWed, 17 Jun 2026 02:24:06 +0000HIGH 7.5: Jiangnan Online Judge (aka jnoj) 0.8.0 has Directory Traversal for file reading via the web/polygon/problem/viewfile?id=1&name=../ substring.https://patchthecve.com/cve/CVE-2019-17537.htmlhttps://patchthecve.com/cve/CVE-2019-17537.htmlWed, 17 Jun 2026 02:24:06 +0000HIGH 7.5: Jiangnan Online Judge (aka jnoj) 0.8.0 has Directory Traversal for file deletion via the web/polygon/problem/deletefile?id=1&name=../ substring.https://patchthecve.com/cve/CVE-2019-17493.htmlhttps://patchthecve.com/cve/CVE-2019-17493.htmlWed, 17 Jun 2026 02:23:59 +0000MEDIUM 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.https://patchthecve.com/cve/CVE-2019-17491.htmlhttps://patchthecve.com/cve/CVE-2019-17491.htmlWed, 17 Jun 2026 02:23:59 +0000MEDIUM 6.1: Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[description] parameter to web/admin/problem/create or web/polygon/problem/update.https://patchthecve.com/cve/CVE-2019-17490.htmlhttps://patchthecve.com/cve/CVE-2019-17490.htmlWed, 17 Jun 2026 02:23:59 +0000HIGH 8.8: 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.https://patchthecve.com/cve/CVE-2019-17489.htmlhttps://patchthecve.com/cve/CVE-2019-17489.htmlWed, 17 Jun 2026 02:23:59 +0000MEDIUM 6.1: Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[title] parameter to web/polygon/problem/create or web/polygon/problem/update or web/admin/problem/create.