{"id":"CVE-2011-1158","aliases":["DEBIAN-CVE-2011-1158","EUVD-2011-0016","GHSA-4m72-rmm9-2qjr","PYSEC-2011-21"],"status":"published","title":"feedparser Cross-site Scripting vulnerability","description":"Cross-site scripting (XSS) vulnerability in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) 5.x before 5.0.1 allows remote attackers to inject arbitrary web script or HTML via an unexpected URI scheme, as demonstrated by a javascript: URI.","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":"2026-11-09","score":0.02346,"percentile":0.83774,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2011-04-11T18:00:00Z","modified":"2026-10-23T17:47:32Z","fixes":[{"ecosystem":"PyPI","package":"feedparser","fixed_in":["5.0.1"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"feedparser","fixed_in":["5.0.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"feedparser","fixed_in":["5.0.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"feedparser","fixed_in":["5.0.1-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0"},{"fixed":"5.0.1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.1-1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0"},{"fixed":"5.0.1"}]}],"versions":["5.0"]},{"source":"osv","ecosystem":"PyPI","package":"feedparser","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.1"}]}],"versions":["4.1","5.0"]}],"products":[{"vendor":"mark_pilgrim","product":"feedparser"}],"references":[{"url":"http://openwall.com/lists/oss-security/2011/03/14/18","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix","web"]},{"url":"http://support.novell.com/security/cve/CVE-2011-1158.html","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://secunia.com/advisories/43730","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"https://code.google.com/p/feedparser/issues/detail?id=255","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/46867","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=684877","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix","web","report"]},{"url":"http://secunia.com/advisories/44074","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://openwall.com/lists/oss-security/2011/03/15/11","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2011-04/msg00026.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://bugzilla.novell.com/show_bug.cgi?id=680074","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix","web","report"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:082","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1158","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4m72-rmm9-2qjr","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/feedparser/PYSEC-2011-21.yaml","tags":["web"]},{"url":"https://web.archive.org/web/20150523054015/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2011:082/?name=MDVSA-2011:082","tags":["web"]},{"url":"https://web.archive.org/web/20210121212051/https://www.securityfocus.com/bid/46867","tags":["web"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-1158","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-1158","description":"Cross-site scripting (XSS) vulnerability in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) 5.x before 5.0.1 allows remote attackers to inject arbitrary web script or HTML via an unexpected URI scheme, as demonstrated by a javascript: URI.","status":"published","published":"2011-04-11T18:00:00Z","modified":"2024-08-06T22:14:27.839Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-0016","description":"Cross-site scripting (XSS) vulnerability in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) 5.x before 5.0.1 allows remote attackers to inject arbitrary web script or HTML via an unexpected URI scheme, as demonstrated by a javascript: URI.","status":"published","published":"2011-04-11T18:00:00Z","modified":"2024-08-06T22:14:27Z","updated_at":"2026-11-03T01:55:58.301107Z"}],"ghsa":[{"id":"GHSA-4m72-rmm9-2qjr","title":"feedparser Cross-site Scripting vulnerability","description":"Cross-site scripting (XSS) vulnerability in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) 5.x before 5.0.1 allows remote attackers to inject arbitrary web script or HTML via an unexpected URI scheme, as demonstrated by a javascript: URI.","status":"published","published":"2018-07-23T19:51:43Z","modified":"2024-09-20T17:27:58Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"},{"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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:04.690827Z"}],"nvd":[{"id":"CVE-2011-1158","description":"Cross-site scripting (XSS) vulnerability in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) 5.x before 5.0.1 allows remote attackers to inject arbitrary web script or HTML via an unexpected URI scheme, as demonstrated by a javascript: URI.","status":"published","published":"2011-04-11T18:55:03.603Z","modified":"2026-06-16T23:28:50.52Z","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":"2026-11-02T14:02:07.221228Z"}],"osv":[{"id":"GHSA-4m72-rmm9-2qjr","title":"feedparser Cross-site Scripting vulnerability","description":"Cross-site scripting (XSS) vulnerability in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) 5.x before 5.0.1 allows remote attackers to inject arbitrary web script or HTML via an unexpected URI scheme, as demonstrated by a javascript: URI.","status":"published","published":"2018-07-23T19:51:43Z","modified":"2024-09-20T18:19:53.479846Z","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"},{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:37.148947Z"},{"id":"CVE-2011-1158","description":"Cross-site scripting (XSS) vulnerability in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) 5.x before 5.0.1 allows remote attackers to inject arbitrary web script or HTML via an unexpected URI scheme, as demonstrated by a javascript: URI.","status":"published","published":"2011-04-11T18:55:03Z","modified":"2026-04-10T03:41:41.92487Z","updated_at":"2026-11-02T15:43:57.991581Z"},{"id":"DEBIAN-CVE-2011-1158","description":"Cross-site scripting (XSS) vulnerability in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) 5.x before 5.0.1 allows remote attackers to inject arbitrary web script or HTML via an unexpected URI scheme, as demonstrated by a javascript: URI.","status":"published","published":"2011-04-11T18:55:03.603Z","modified":"2026-10-23T17:47:32.293987539Z","updated_at":"2026-11-02T15:45:24.612044Z"},{"id":"PYSEC-2011-21","description":"Cross-site scripting (XSS) vulnerability in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) 5.x before 5.0.1 allows remote attackers to inject arbitrary web script or HTML via an unexpected URI scheme, as demonstrated by a javascript: URI.","status":"published","published":"2011-04-11T18:55:00Z","modified":"2023-11-08T03:56:58.969925Z","updated_at":"2026-11-02T15:52:51.254177Z"}]}}