{"id":"CVE-2010-1330","aliases":["DEBIAN-CVE-2010-1330","EUVD-2022-5601","GHSA-wmq2-jc9m-xp4m"],"status":"published","title":"Cross-site Scripting in in JRuby","description":"The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02218,"percentile":0.82775,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2012-11-23T19:00:00Z","modified":"2026-10-23T17:47:49Z","fixes":[{"ecosystem":"Maven","package":"org.jruby:jruby-core","fixed_in":["1.4.1"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"jruby","fixed_in":["1.5.0~rc1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"jruby","fixed_in":["1.5.0~rc1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"jruby","fixed_in":["1.5.0~rc1-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.jruby:jruby-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"jruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0~rc1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"jruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0~rc1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"jruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0~rc1-1"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.jruby:jruby-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.1"}]}]}],"products":[{"vendor":"jruby","product":"jruby"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=750306","tags":["x_refsource_MISC","x_transferred","report","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2011-1456.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory","web"]},{"url":"https://bugs.gentoo.org/show_bug.cgi?id=317435","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://www.osvdb.org/77297","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://secunia.com/advisories/46891","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory","web"]},{"url":"http://www.jruby.org/2010/04/26/jruby-1-4-1-xss-vulnerability.html","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","Vendor Advisory","advisory","evidence","fix","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/80277","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-1330","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wmq2-jc9m-xp4m"},{"url":"https://security-tracker.debian.org/tracker/CVE-2010-1330","tags":["advisory"]},{"url":"https://github.com/jruby/jruby","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2010-1330","description":"The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string.","status":"published","published":"2012-11-23T19:00:00Z","modified":"2024-08-07T01:21:18.254Z","updated_at":"2026-11-02T14:33:29.227451Z"}],"euvd":[{"id":"EUVD-2022-5601","description":"The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string.","status":"published","published":"2012-11-23T19:00:00Z","modified":"2024-08-07T01:21:18Z","updated_at":"2026-11-03T01:39:41.852422Z"}],"ghsa":[{"id":"GHSA-wmq2-jc9m-xp4m","title":"Cross-site Scripting in in JRuby","description":"The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string.","status":"published","published":"2022-05-02T06:21:36Z","modified":"2023-01-28T05:00:57Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:36:22.592333Z"}],"nvd":[{"id":"CVE-2010-1330","description":"The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string.","status":"published","published":"2012-11-23T19:55:01.273Z","modified":"2026-06-16T23:18:08.893Z","cvss":[{"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":"2026-11-02T14:02:04.520133Z"}],"osv":[{"id":"CVE-2010-1330","description":"The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string.","status":"published","published":"2012-11-23T19:55:01Z","modified":"2026-04-10T03:41:11.604867Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2010-1330","description":"The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string.","status":"published","published":"2012-11-23T19:55:01.273Z","modified":"2026-10-23T17:47:49.561346123Z","updated_at":"2026-11-02T15:45:24.316685Z"},{"id":"GHSA-wmq2-jc9m-xp4m","title":"Cross-site Scripting in in JRuby","description":"The regular expression engine in JRuby before 1.4.1, when $KCODE is set to 'u', does not properly handle characters immediately after a UTF-8 character, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string.","status":"published","published":"2022-05-02T06:21:36Z","modified":"2023-11-08T03:56:55.599271Z","cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:58.767335Z"}]}}