{"id":"CVE-2019-13956","aliases":["EUVD-2019-5223","GHSA-j4hg-2fjr-f8m9"],"status":"published","title":"Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified...","description":"Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified language cookie, as demonstrated by changing 4gH4_0df5_language=en to 4gH4_0df5_language=en'.phpinfo().'; (if the random prefix 4gH4_0df5_ were used).","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.04572,"percentile":0.91682,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-94"],"published":"2019-07-18T17:23:11Z","modified":"2026-06-17T02:17:30Z","exploits":[{"source":"pocgithub","id":"rhbb/CVE-2019-13956","title":"rhbb/CVE-2019-13956","date":"2020-03-16","url":"https://github.com/rhbb/CVE-2019-13956"}],"products":[{"vendor":"codersclub","product":"discuz\\!ml"}],"references":[{"url":"http://esoln.net/esoln/blog/2019/06/14/discuzml-v-3-x-code-injection-vulnerability/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-13956"},{"url":"http://esoln.net/esoln/blog/2019/06/14/discuzml-v-3-x-code-injection-vulnerability"},{"url":"https://github.com/advisories/GHSA-j4hg-2fjr-f8m9"}],"sources":{"cve":[{"id":"CVE-2019-13956","description":"Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified language cookie, as demonstrated by changing 4gH4_0df5_language=en to 4gH4_0df5_language=en'.phpinfo().'; (if the random prefix 4gH4_0df5_ were used).","status":"published","published":"2019-07-18T17:23:11Z","modified":"2024-08-05T00:05:44.009Z","updated_at":"2026-11-02T14:20:24.025419Z"}],"euvd":[{"id":"EUVD-2019-5223","description":"Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified language cookie, as demonstrated by changing 4gH4_0df5_language=en to 4gH4_0df5_language=en'.phpinfo().'; (if the random prefix 4gH4_0df5_ were used).","status":"published","published":"2019-07-18T17:23:11Z","modified":"2024-08-05T00:05:44Z","updated_at":"2026-11-03T02:40:41.120486Z"}],"ghsa":[{"id":"GHSA-j4hg-2fjr-f8m9","title":"Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified...","description":"Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified language cookie, as demonstrated by changing 4gH4_0df5_language=en to 4gH4_0df5_language=en'.phpinfo().'; (if the random prefix 4gH4_0df5_ were used).","status":"published","published":"2022-05-24T16:50:41Z","modified":"2024-04-04T01:18:45Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:55:57.302483Z"}],"nvd":[{"id":"CVE-2019-13956","description":"Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified language cookie, as demonstrated by changing 4gH4_0df5_language=en to 4gH4_0df5_language=en'.phpinfo().'; (if the random prefix 4gH4_0df5_ were used).","status":"published","published":"2019-07-18T18:15:12.437Z","modified":"2026-06-17T02:17:30.713Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:05:20.616405Z"}]}}