{"id":"CVE-2023-45292","aliases":["EUVD-2023-3117","GHSA-5mmw-p5qv-w3x5","GO-2023-2386"],"status":"published","title":"Captcha verification bypass in github.com/mojocn/base64Captcha","description":"When using the default implementation of Verify to check a Captcha, verification can be bypassed. For example, if the first parameter is a non-existent id, the second parameter is an empty string, and the third parameter is true, the function will always consider the Captcha to be correct.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00297,"percentile":0.22597,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-345","CWE-670"],"published":"2023-12-08T20:11:50Z","modified":"2026-10-28T02:31:07Z","fixes":[{"ecosystem":"Go","package":"github.com/mojocn/base64Captcha","fixed_in":["1.3.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/mojocn/base64Captcha","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.6"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mojocn/base64Captcha","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.3.6"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mojocn/base64Captcha","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.3.6"}]}]}],"products":[{"vendor":"github.com/mojocn/base64captcha","product":"github.com/mojocn/base64captcha"},{"vendor":"mojotv","product":"base64captcha"}],"references":[{"url":"https://github.com/mojocn/base64Captcha/issues/120","tags":["x_transferred","Exploit","Issue Tracking","report","web"]},{"url":"https://github.com/mojocn/base64Captcha/commit/9b11012caca58925f1e47c770f79f2fa47e3ad13","tags":["x_transferred","Patch","fix","web"]},{"url":"https://github.com/mojocn/base64Captcha/commit/5ab86bd6f333aad3936f912fc52b411168dcd4a7","tags":["x_transferred","Patch","fix","web"]},{"url":"https://pkg.go.dev/vuln/GO-2023-2386","tags":["x_transferred","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45292","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5mmw-p5qv-w3x5"},{"url":"https://pkg.go.dev","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45292.json","tags":["advisory"]},{"url":"https://github.com/mojocn/base64Captcha","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-45292","title":"Captcha verification bypass in github.com/mojocn/base64Captcha","description":"When using the default implementation of Verify to check a Captcha, verification can be bypassed. For example, if the first parameter is a non-existent id, the second parameter is an empty string, and the third parameter is true, the function will always consider the Captcha to be correct.","status":"published","published":"2023-12-11T21:51:16.055Z","modified":"2024-08-02T20:21:15.289Z","updated_at":"2026-11-02T14:35:22.640346Z"}],"euvd":[{"id":"EUVD-2023-3117","description":"When using the default implementation of Verify to check a Captcha, verification can be bypassed. For example, if the first parameter is a non-existent id, the second parameter is an empty string, and the third parameter is true, the function will always consider the Captcha to be correct.","status":"published","published":"2023-12-11T21:51:16Z","modified":"2024-08-02T20:21:15Z","updated_at":"2026-11-03T03:49:58.963788Z"}],"ghsa":[{"id":"GHSA-5mmw-p5qv-w3x5","title":"Always incorrect control flow in github.com/mojocn/base64Captcha","description":"When using the default implementation of Verify to check a Captcha, verification can be bypassed. For example, if the first parameter is a non-existent id, the second parameter is an empty string, and the third parameter is true, the function will always consider the Captcha to be correct.","status":"published","published":"2023-12-12T00:30:17Z","modified":"2023-12-14T22:03:12Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-345","CWE-670"],"updated_at":"2026-11-02T14:37:26.012325Z"}],"nvd":[{"id":"CVE-2023-45292","description":"When using the default implementation of Verify to check a Captcha, verification can be bypassed. For example, if the first parameter is a non-existent id, the second parameter is an empty string, and the third parameter is true, the function will always consider the Captcha to be correct.","status":"published","published":"2023-12-11T22:15:06.677Z","modified":"2026-06-17T06:28:36.2Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:08:54.010507Z"}],"osv":[{"id":"GHSA-5mmw-p5qv-w3x5","title":"Always incorrect control flow in github.com/mojocn/base64Captcha","description":"When using the default implementation of Verify to check a Captcha, verification can be bypassed. For example, if the first parameter is a non-existent id, the second parameter is an empty string, and the third parameter is true, the function will always consider the Captcha to be correct.","status":"published","published":"2023-12-12T00:30:17Z","modified":"2023-12-14T22:03:11Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-345","CWE-670"],"updated_at":"2026-11-02T15:46:38.553953Z"},{"id":"CVE-2023-45292","title":"Captcha verification bypass in github.com/mojocn/base64Captcha","description":"When using the default implementation of Verify to check a Captcha, verification can be bypassed. For example, if the first parameter is a non-existent id, the second parameter is an empty string, and the third parameter is true, the function will always consider the Captcha to be correct.","status":"published","published":"2023-12-11T21:51:16.055Z","modified":"2026-10-28T02:31:07.03496064Z","updated_at":"2026-11-02T15:44:33.792101Z"},{"id":"GO-2023-2386","title":"Captcha verification bypass in github.com/mojocn/base64Captcha","description":"When using the default implementation of Verify to check a Captcha, verification can be bypassed.\n\nFor example, if the first parameter is a non-existent id, the second parameter is an empty string, and the third parameter is true, the function will always consider the Captcha to be correct.","status":"published","published":"2023-12-08T20:11:50Z","modified":"2024-05-20T16:03:47Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}