{"id":"CVE-2020-11976","aliases":["EUVD-2021-0965","GHSA-64gv-3pqv-299h"],"status":"published","title":"Exposure of Sensitive Information to an Unauthorized Actor in Apache Wicket","description":"By crafting a special URL it is possible to make Wicket deliver unprocessed HTML templates. This would allow an attacker to see possibly sensitive information inside a HTML template that is usually removed during rendering. Affected are Apache Wicket versions 7.16.0, 8.8.0 and 9.0.0-M5","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03759,"percentile":0.89976,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-552"],"published":"2020-08-11T18:15:51Z","modified":"2026-10-24T10:30:47Z","fixes":[{"ecosystem":"Maven","package":"org.apache.wicket:wicket-core","fixed_in":["7.17.0","8.9.0","9.0.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.17.0"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.9.0"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0-M1"},{"last_affected":"9.0.0-M1"},{"fixed":"9.0.0"}]}],"versions":["9.0.0-M1"]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0-M2"},{"last_affected":"9.0.0-M2"},{"fixed":"9.0.0"}]}],"versions":["9.0.0-M2"]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0-M3"},{"last_affected":"9.0.0-M3"},{"fixed":"9.0.0"}]}],"versions":["9.0.0-M3"]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0-M4"},{"last_affected":"9.0.0-M4"},{"fixed":"9.0.0"}]}],"versions":["9.0.0-M4"]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0-M5"},{"last_affected":"9.0.0-M5"},{"fixed":"9.0.0"}]}],"versions":["9.0.0-M5"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.17.0"}]}],"versions":["1.5-RC1","1.5-RC3","1.5-RC4.2","1.5-RC5.1","1.5-RC7","1.5-rc2","1.5.0","1.5.1","1.5.10","1.5.11","1.5.12","1.5.13","1.5.14","1.5.15","1.5.16","1.5.17","1.5.2","1.5.3","1.5.4","1.5.5","1.5.6","1.5.7","1.5.8","1.5.9","6.0.0","6.0.0-beta1","6.0.0-beta2","6.0.0-beta3","6.1.0","6.1.1","6.10.0","6.11.0","6.12.0","6.13.0","6.14.0","6.15.0","6.16.0","6.17.0","6.18.0","6.19.0","6.2.0","6.20.0","6.21.0","6.22.0","6.23.0","6.24.0","6.25.0","6.26.0","6.27.0","6.27.1","6.28.0","6.29.0","6.3.0","6.30.0","6.4.0","6.5.0","6.6.0","6.7.0","6.8.0","6.9.0","6.9.1","7.0.0","7.0.0-M1","7.0.0-M2","7.0.0-M3","7.0.0-M4","7.0.0-M5","7.0.0-M6","7.1.0","7.10.0","7.11.0","7.12.0","7.13.0","7.14.0","7.15.0","7.16.0","7.2.0","7.3.0","7.4.0","7.5.0","7.6.0","7.7.0","7.8.0","7.9.0"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.9.0"}]}],"versions":["8.0.0","8.1.0","8.2.0","8.3.0","8.4.0","8.5.0","8.6.0","8.6.1","8.7.0","8.8.0"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0-M1"},{"fixed":"9.0.0"}]}],"versions":["9.0.0-M1","9.0.0-M2","9.0.0-M3","9.0.0-M4","9.0.0-M5"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0-M2"},{"fixed":"9.0.0"}]}],"versions":["9.0.0-M2","9.0.0-M3","9.0.0-M4","9.0.0-M5"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0-M3"},{"fixed":"9.0.0"}]}],"versions":["9.0.0-M3","9.0.0-M4","9.0.0-M5"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0-M4"},{"fixed":"9.0.0"}]}],"versions":["9.0.0-M4","9.0.0-M5"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.wicket:wicket-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0-M5"},{"fixed":"9.0.0"}]}],"versions":["9.0.0-M5"]}],"products":[{"vendor":"apache","product":"fortress"},{"vendor":"apache","product":"wicket"},{"vendor":"apache software foundation","product":"apache wicket"}],"references":[{"url":"https://lists.apache.org/thread.html/r104eeefeb1e9da51f7ef79cef0f9ff12e21ef8559b77801e86b21e16%40%3Cusers.wicket.apache.org%3E","tags":["x_refsource_MISC","x_transferred","Mailing List","Release Notes","Vendor Advisory","advisory","web"]},{"url":"https://lists.apache.org/thread.html/rd0f36b83cc9f28b016ec552f023fb5a59a9ea8db56f2b9dcc6a2f6b7%40%3Ccommits.directory.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r982c626dbce5c995223c4a6ddd7685de3592f8d65ba8372da1f3ce19%40%3Cdev.directory.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r05340178680eb6b9d4d40d56b5621dd4ae9715e6f41f12ae2288ec49%40%3Cdev.directory.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/reb7ea8141c713b5b19eaf34c00f43aaebf5a1c116130f763c42bdad1%40%3Cdev.directory.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/rd26cae6e30b205e09e4b511d3d962d4f677c0c604f737997ce1b2f22%40%3Cdev.directory.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/rdec0a43afdca59c10416889e07267f3d2fdf4ab929a6e22a2659b6ff%40%3Cdev.directory.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/re4af65851bf69605cfb68be215eba36d4cdc1a90b95fbc894799d923%40%3Cdev.directory.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-11976","tags":["advisory"]},{"url":"https://lists.apache.org/thread.html/r982c626dbce5c995223c4a6ddd7685de3592f8d65ba8372da1f3ce19@%3Cdev.directory.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/rd0f36b83cc9f28b016ec552f023fb5a59a9ea8db56f2b9dcc6a2f6b7@%3Ccommits.directory.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r05340178680eb6b9d4d40d56b5621dd4ae9715e6f41f12ae2288ec49@%3Cdev.directory.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/rd26cae6e30b205e09e4b511d3d962d4f677c0c604f737997ce1b2f22@%3Cdev.directory.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/rdec0a43afdca59c10416889e07267f3d2fdf4ab929a6e22a2659b6ff@%3Cdev.directory.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/re4af65851bf69605cfb68be215eba36d4cdc1a90b95fbc894799d923@%3Cdev.directory.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/reb7ea8141c713b5b19eaf34c00f43aaebf5a1c116130f763c42bdad1@%3Cdev.directory.apache.org%3E","tags":["web"]},{"url":"https://github.com/advisories/GHSA-64gv-3pqv-299h"}],"sources":{"cve":[{"id":"CVE-2020-11976","description":"By crafting a special URL it is possible to make Wicket deliver unprocessed HTML templates. This would allow an attacker to see possibly sensitive information inside a HTML template that is usually removed during rendering. Affected are Apache Wicket versions 7.16.0, 8.8.0 and 9.0.0-M5","status":"published","published":"2020-08-11T18:15:51Z","modified":"2024-08-04T11:48:57.562Z","updated_at":"2026-11-02T14:35:57.352161Z"}],"euvd":[{"id":"EUVD-2021-0965","description":"By crafting a special URL it is possible to make Wicket deliver unprocessed HTML templates. This would allow an attacker to see possibly sensitive information inside a HTML template that is usually removed during rendering. Affected are Apache Wicket versions 7.16.0, 8.8.0 and 9.0.0-M5","status":"published","published":"2020-08-11T18:15:51Z","modified":"2024-08-04T11:48:57Z","updated_at":"2026-11-03T03:07:41.399649Z"}],"ghsa":[{"id":"GHSA-64gv-3pqv-299h","title":"Exposure of Sensitive Information to an Unauthorized Actor in Apache Wicket","description":"By crafting a special URL it is possible to make Wicket deliver unprocessed HTML templates. This would allow an attacker to see possibly sensitive information inside a HTML template that is usually removed during rendering. Affected are Apache Wicket versions 7.16.0, 8.8.0 and 9.0.0-M5","status":"published","published":"2021-05-07T15:54:15Z","modified":"2023-02-01T05:05:30Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200","CWE-552"],"updated_at":"2026-11-02T14:36:34.917834Z"}],"nvd":[{"id":"CVE-2020-11976","description":"By crafting a special URL it is possible to make Wicket deliver unprocessed HTML templates. This would allow an attacker to see possibly sensitive information inside a HTML template that is usually removed during rendering. Affected are Apache Wicket versions 7.16.0, 8.8.0 and 9.0.0-M5","status":"published","published":"2020-08-11T19:15:17.22Z","modified":"2026-06-17T02:51:10.263Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-552"],"updated_at":"2026-11-02T14:06:10.994748Z"}],"osv":[{"id":"CVE-2020-11976","description":"By crafting a special URL it is possible to make Wicket deliver unprocessed HTML templates. This would allow an attacker to see possibly sensitive information inside a HTML template that is usually removed during rendering. Affected are Apache Wicket versions 7.16.0, 8.8.0 and 9.0.0-M5","status":"published","published":"2020-08-11T19:15:17.22Z","modified":"2026-10-24T10:30:47.499991055Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:14.034736Z"},{"id":"GHSA-64gv-3pqv-299h","title":"Exposure of Sensitive Information to an Unauthorized Actor in Apache Wicket","description":"By crafting a special URL it is possible to make Wicket deliver unprocessed HTML templates. This would allow an attacker to see possibly sensitive information inside a HTML template that is usually removed during rendering. Affected are Apache Wicket versions 7.16.0, 8.8.0 and 9.0.0-M5","status":"published","published":"2021-05-07T15:54:15Z","modified":"2023-11-08T04:02:08.181705Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200","CWE-552"],"updated_at":"2026-11-02T15:46:39.266402Z"}]}}