{"id":"CVE-2023-50266","aliases":["EUVD-2023-55078"],"status":"published","title":"Bazarr Blind Server-Side Request Forgery (SSRF) in the /test/\u003cprotocol\u003e/ endpoint","description":"Bazarr manages and downloads subtitles. In version 1.2.4, the proxy method in bazarr/bazarr/app/ui.py does not validate the user-controlled protocol and url variables and passes them to requests.get() without any sanitization, which leads to a blind server-side request forgery (SSRF). This issue allows for crafting GET requests to internal and external resources on behalf of the server. 1.3.1 contains a partial fix, which limits the vulnerability to HTTP/HTTPS protocols.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00589,"percentile":0.48494,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2023-12-15T20:42:29Z","modified":"2026-10-28T02:30:28Z","products":[{"vendor":"bazarr","product":"bazarr"},{"vendor":"morpheus65535","product":"bazarr"}],"references":[{"url":"https://securitylab.github.com/advisories/GHSL-2023-192_GHSL-2023-194_bazarr/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","advisory"]},{"url":"https://github.com/morpheus65535/bazarr/commit/17add7fbb3ae1919a40d505470d499d46df9ae6b","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"https://github.com/morpheus65535/bazarr/releases/tag/v1.3.1","tags":["x_refsource_MISC","x_transferred","Release Notes","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/50xxx/CVE-2023-50266.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50266","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-50266","title":"Bazarr Blind Server-Side Request Forgery (SSRF) in the /test/\u003cprotocol\u003e/ endpoint","description":"Bazarr manages and downloads subtitles. In version 1.2.4, the proxy method in bazarr/bazarr/app/ui.py does not validate the user-controlled protocol and url variables and passes them to requests.get() without any sanitization, which leads to a blind server-side request forgery (SSRF). This issue allows for crafting GET requests to internal and external resources on behalf of the server. 1.3.1 contains a partial fix, which limits the vulnerability to HTTP/HTTPS protocols.","status":"published","published":"2023-12-15T20:42:29.685Z","modified":"2024-08-02T22:16:46.218Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:35:34.923818Z"}],"euvd":[{"id":"EUVD-2023-55078","description":"Bazarr manages and downloads subtitles. In version 1.2.4, the proxy method in bazarr/bazarr/app/ui.py does not validate the user-controlled protocol and url variables and passes them to requests.get() without any sanitization, which leads to a blind server-side request forgery (SSRF). This issue allows for crafting GET requests to internal and external resources on behalf of the server. 1.3.1 contains a partial fix, which limits the vulnerability to HTTP/HTTPS protocols.","status":"published","published":"2023-12-15T20:42:29Z","modified":"2024-08-02T22:16:46Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:49:55.131895Z"}],"nvd":[{"id":"CVE-2023-50266","description":"Bazarr manages and downloads subtitles. In version 1.2.4, the proxy method in bazarr/bazarr/app/ui.py does not validate the user-controlled protocol and url variables and passes them to requests.get() without any sanitization, which leads to a blind server-side request forgery (SSRF). This issue allows for crafting GET requests to internal and external resources on behalf of the server. 1.3.1 contains a partial fix, which limits the vulnerability to HTTP/HTTPS protocols.","status":"published","published":"2023-12-15T21:15:09.147Z","modified":"2026-06-17T06:39:24.963Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:08:56.329586Z"}],"osv":[{"id":"CVE-2023-50266","title":"Bazarr Blind Server-Side Request Forgery (SSRF) in the /test/\u003cprotocol\u003e/ endpoint","description":"Bazarr manages and downloads subtitles. In version 1.2.4, the proxy method in bazarr/bazarr/app/ui.py does not validate the user-controlled protocol and url variables and passes them to requests.get() without any sanitization, which leads to a blind server-side request forgery (SSRF). This issue allows for crafting GET requests to internal and external resources on behalf of the server. 1.3.1 contains a partial fix, which limits the vulnerability to HTTP/HTTPS protocols.","status":"published","published":"2023-12-15T20:42:29.685Z","modified":"2026-10-28T02:30:28.555082677Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:44:34.72355Z"}]}}