{"id":"CVE-2021-42551","aliases":["EUVD-2021-29519","GHSA-hrpc-fm5f-rg4v"],"status":"published","title":"Reflected XSS in NetBiblio WebOPAC search functionality","description":"Cross-site Scripting (XSS) vulnerability in the search functionality of AlCoda NetBiblio WebOPAC allows an unauthenticated user to craft a reflected Cross-Site Scripting attack. This issue affects: AlCoda NetBiblio WebOPAC versions prior to 4.0.0.320; versions later than 4.0.0.328. This issue does not affect: AlCoda NetBiblio WebOPAC version 4.0.0.335 and later versions.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02714,"percentile":0.86189,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2022-01-14T09:52:25Z","modified":"2026-06-17T04:09:48Z","exploits":[{"source":"nuclei","id":"CVE-2021-42551","title":"NetBiblio WebOPAC - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-42551.yaml"}],"products":[{"vendor":"alcoda","product":"netbiblio"},{"vendor":"alcoda","product":"netbiblio webopac"}],"references":[{"url":"https://www.redguard.ch/advisories/netbiblio_webopac.txt","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42551"},{"url":"https://github.com/advisories/GHSA-hrpc-fm5f-rg4v"}],"sources":{"cve":[{"id":"CVE-2021-42551","title":"Reflected XSS in NetBiblio WebOPAC search functionality","description":"Cross-site Scripting (XSS) vulnerability in the search functionality of AlCoda NetBiblio WebOPAC allows an unauthenticated user to craft a reflected Cross-Site Scripting attack. This issue affects: AlCoda NetBiblio WebOPAC versions prior to 4.0.0.320; versions later than 4.0.0.328. This issue does not affect: AlCoda NetBiblio WebOPAC version 4.0.0.335 and later versions.","status":"published","published":"2022-01-14T09:52:25Z","modified":"2024-08-04T03:38:49.264Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29519","description":"Cross-site Scripting (XSS) vulnerability in the search functionality of AlCoda NetBiblio WebOPAC allows an unauthenticated user to craft a reflected Cross-Site Scripting attack. This issue affects: AlCoda NetBiblio WebOPAC versions prior to 4.0.0.320; versions later than 4.0.0.328. This issue does not affect: AlCoda NetBiblio WebOPAC version 4.0.0.335 and later versions.","status":"published","published":"2022-01-14T09:52:25Z","modified":"2024-08-04T03:38:49Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:24:15.755984Z"}],"ghsa":[{"id":"GHSA-hrpc-fm5f-rg4v","title":"Cross-site Scripting (XSS) vulnerability in the search functionality of AlCoda NetBiblio WebOPAC...","description":"Cross-site Scripting (XSS) vulnerability in the search functionality of AlCoda NetBiblio WebOPAC allows an unauthenticated user to craft a reflected Cross-Site Scripting attack. This issue affects: AlCoda NetBiblio WebOPAC versions prior to 4.0.0.320; versions later than 4.0.0.328. This issue does not affect: AlCoda NetBiblio WebOPAC version 4.0.0.335 and later versions.","status":"published","published":"2022-01-15T00:01:53Z","modified":"2023-02-03T05:04:53Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:53:38.626767Z"}],"nvd":[{"id":"CVE-2021-42551","description":"Cross-site Scripting (XSS) vulnerability in the search functionality of AlCoda NetBiblio WebOPAC allows an unauthenticated user to craft a reflected Cross-Site Scripting attack. This issue affects: AlCoda NetBiblio WebOPAC versions prior to 4.0.0.320; versions later than 4.0.0.328. This issue does not affect: AlCoda NetBiblio WebOPAC version 4.0.0.335 and later versions.","status":"published","published":"2022-01-14T10:15:07.96Z","modified":"2026-06-17T04:09:48.78Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:03.821385Z"}]}}