[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-USN-8077-1":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-05T14:55:33.319Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":34,"duplicates":35,"related":36,"reserved_at":9,"published_at":42,"modified_at":43,"state":9,"summary":44,"references_raw":46,"kevs":74,"epss":9,"epss_history":75,"metrics":76,"affected":77},"USN-8077-1","python-bleach vulnerabilities\n\nIt was discovered that Bleach did not properly sanitize URI attributes\ncontaining character entities. An attacker could possibly use this issue\nto construct a URI with a disallowed scheme that would bypass\nsanitization, leading to cross-site scripting. This issue only affected\nUbuntu 18.04 LTS. (CVE-2018-7753)\n\nYaniv Nizry discovered that Bleach was vulnerable to a mutation\ncross-site scripting issue when sanitizing HTML with the noscript tag\nand a raw tag in the allowed tags list. An attacker could possibly\nuse this issue to inject malicious content, leading to cross-site\nscripting. This issue only affected Ubuntu 18.04 LTS. (CVE-2020-6802)\n\nYaniv Nizry discovered that Bleach was vulnerable to a mutation\ncross-site scripting issue when sanitizing HTML with RCDATA together\nwith svg or math tags in the allowed tags list. An attacker could\npossibly use this issue to inject malicious content, leading to\ncross-site scripting. (CVE-2020-6816)\n\nIt was discovered that Bleach incorrectly handled parsing of style\nattributes when sanitizing HTML. An attacker could possibly use this\nissue to perform a regular expression denial of service, leading to\nexcessive resource consumption. (CVE-2020-6817)\n\nYaniv Nizry and Michał Bentkowski discovered that Bleach was vulnerable\nto a mutation cross-site scripting issue when sanitizing HTML with\ncertain combinations of allowed tags. An attacker could possibly use\nthis issue to inject malicious content, leading to cross-site scripting.\n(CVE-2021-23980)",null,[],[],[],[14,16,18,20,22,24,26,28,30,32],{"_key":15},"CVE-2018-7753",{"_key":17},"CVE-2020-6802",{"_key":19},"CVE-2020-6816",{"_key":21},"CVE-2020-6817",{"_key":23},"CVE-2021-23980",{"_key":25},"UBUNTU-CVE-2018-7753",{"_key":27},"UBUNTU-CVE-2020-6802",{"_key":29},"UBUNTU-CVE-2020-6816",{"_key":31},"UBUNTU-CVE-2020-6817",{"_key":33},"UBUNTU-CVE-2021-23980",[],[],[37,38,39,40,41],{"_key":25},{"_key":27},{"_key":29},{"_key":31},{"_key":33},"2026-03-05T16:04:13Z","2026-05-20T16:03:57.175279164Z",{"cisa_kev":45,"cisa_ransomware":45,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[47,53,58,62,66,70],{"url":48,"sources":49,"tags":51},"https://ubuntu.com/security/notices/USN-8077-1",[50],"osv_ubuntu",[52],"Advisory",{"url":54,"sources":55,"tags":56},"https://ubuntu.com/security/CVE-2018-7753",[50],[57],"REPORT",{"url":59,"sources":60,"tags":61},"https://ubuntu.com/security/CVE-2020-6802",[50],[57],{"url":63,"sources":64,"tags":65},"https://ubuntu.com/security/CVE-2020-6816",[50],[57],{"url":67,"sources":68,"tags":69},"https://ubuntu.com/security/CVE-2020-6817",[50],[57],{"url":71,"sources":72,"tags":73},"https://ubuntu.com/security/CVE-2021-23980",[50],[57],[],[],[],[78],{"ecosystem":79,"name":80,"vendor":81,"product":80,"cpe_part":9,"purl_type":82,"purl_namespace":81,"purl_name":80,"source":9,"versions":83},"Ubuntu","python-bleach","ubuntu","deb",[84,90,93],{"version":85,"is_range":86,"range_type":87,"version_start":9,"version_start_type":9,"version_end":88,"version_end_type":89,"fixed_in":9},"lt1_4_2_1ubuntu0_1~esm1",true,"ecosystem","1.4.2-1ubuntu0.1~esm1","excluding",{"version":91,"is_range":86,"range_type":87,"version_start":9,"version_start_type":9,"version_end":92,"version_end_type":89,"fixed_in":9},"lt2_1_2_1ubuntu0_1~esm1","2.1.2-1ubuntu0.1~esm1",{"version":94,"is_range":86,"range_type":87,"version_start":9,"version_start_type":9,"version_end":95,"version_end_type":89,"fixed_in":9},"lt3_1_1_1ubuntu0_1~esm1","3.1.1-1ubuntu0.1~esm1"]