{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/14768?format=json","vulnerability_id":"VCID-t5ww-gsnd-3ycg","summary":"Improper Input Validation\nThe error-message functionality in Moodle 1.9.x before 1.9.13, 2.0.x before 2.0.4, and 2.1.x before 2.1.1 does not ensure that a continuation link refers to an http or https URL for the local Moodle instance, which might allow attackers to trick users into visiting arbitrary web sites via unspecified vectors.","aliases":[{"alias":"CVE-2011-4294"},{"alias":"GHSA-hxmp-8f47-x9fc"}],"fixed_packages":[],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/49933?format=json","purl":"pkg:composer/moodle/moodle@2.0.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-1m87-uyah-9kat"},{"vulnerability":"VCID-364d-q9tm-4ket"},{"vulnerability":"VCID-5u1f-df9m-x3en"},{"vulnerability":"VCID-5vy6-nqht-hfa5"},{"vulnerability":"VCID-7see-ex7a-9fdr"},{"vulnerability":"VCID-8d1d-8x82-n7fj"},{"vulnerability":"VCID-8q6b-cnmp-n3gv"},{"vulnerability":"VCID-8y2x-aqub-9ycv"},{"vulnerability":"VCID-9ffw-35y1-9kcc"},{"vulnerability":"VCID-ajfk-n1qs-hqdp"},{"vulnerability":"VCID-bav3-bmte-w3gr"},{"vulnerability":"VCID-bgbv-4kb1-3bhg"},{"vulnerability":"VCID-e1jc-m337-k7bj"},{"vulnerability":"VCID-era2-gy4n-6kdx"},{"vulnerability":"VCID-f6mk-8r56-1yfe"},{"vulnerability":"VCID-j9xy-97ps-7fht"},{"vulnerability":"VCID-kr6a-2jmv-t7dh"},{"vulnerability":"VCID-pj1q-4uex-e3d3"},{"vulnerability":"VCID-pmh4-7sf4-pkec"},{"vulnerability":"VCID-pswr-m2yd-tkfb"},{"vulnerability":"VCID-qpns-23xm-qyhv"},{"vulnerability":"VCID-rqx8-nq76-sugw"},{"vulnerability":"VCID-rsgm-pmc9-dfbb"},{"vulnerability":"VCID-t242-kuj7-zfg4"},{"vulnerability":"VCID-t5ww-gsnd-3ycg"},{"vulnerability":"VCID-u9f3-sbjk-pygw"},{"vulnerability":"VCID-ut3x-gmbz-ukem"},{"vulnerability":"VCID-vf82-m9gw-kud2"},{"vulnerability":"VCID-yrzk-x3uu-zkcn"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:composer/moodle/moodle@2.0.0"},{"url":"http://public2.vulnerablecode.io/api/packages/49935?format=json","purl":"pkg:composer/moodle/moodle@2.1.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-1m87-uyah-9kat"},{"vulnerability":"VCID-364d-q9tm-4ket"},{"vulnerability":"VCID-5vy6-nqht-hfa5"},{"vulnerability":"VCID-7see-ex7a-9fdr"},{"vulnerability":"VCID-8q6b-cnmp-n3gv"},{"vulnerability":"VCID-du8m-h228-cff3"},{"vulnerability":"VCID-e1jc-m337-k7bj"},{"vulnerability":"VCID-hxhr-sxkm-nka6"},{"vulnerability":"VCID-kdqf-c5py-sybt"},{"vulnerability":"VCID-pj1q-4uex-e3d3"},{"vulnerability":"VCID-pswr-m2yd-tkfb"},{"vulnerability":"VCID-qjdf-s39r-5bdb"},{"vulnerability":"VCID-t242-kuj7-zfg4"},{"vulnerability":"VCID-t5ww-gsnd-3ycg"},{"vulnerability":"VCID-u9f3-sbjk-pygw"},{"vulnerability":"VCID-uhws-64fm-hybk"},{"vulnerability":"VCID-vf82-m9gw-kud2"},{"vulnerability":"VCID-xu4e-svgd-cygq"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:composer/moodle/moodle@2.1.0"}],"references":[{"reference_url":"http://git.moodle.org/gw?p=moodle.git;a=commit;h=8f9f666c902cb30ef6f519353f38c45a29fdf4a6","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://git.moodle.org/gw?p=moodle.git;a=commit;h=8f9f666c902cb30ef6f519353f38c45a29fdf4a6"},{"reference_url":"http://moodle.org/mod/forum/discuss.php?d=182737","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://moodle.org/mod/forum/discuss.php?d=182737"},{"reference_url":"http://openwall.com/lists/oss-security/2011/11/14/1","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://openwall.com/lists/oss-security/2011/11/14/1"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2011-4294","reference_id":"","reference_type":"","scores":[{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60472","published_at":"2026-05-12T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60421","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60435","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60423","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60382","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60429","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60487","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60272","published_at":"2026-04-01T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60348","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60375","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60344","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60393","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_elements":"0.60409","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00396","scoring_system":"epss","scoring_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