{"id":"CVE-2026-105111","revision":"fe53ef8cea0c4b5086d055a53cbb2d27","records":[{"revision":"fe53ef8cea0c4b5086d055a53cbb2d27","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-105111","aliases":[],"title":"Apache Commons BCEL: Class2HTML emits unescaped class strings, enabling stored XSS","description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Commons BCEL.\n\n\n\nThis only happens when you're using Class2HTML to generate webpages for possibly-attacker-controlled class files, where Class2HTML emitters write attacker class-file strings into HTML unescaped (stored XSS in reports).\n\n\n\nThis issue affects Apache Commons BCEL: before 6.13.0.\n\n\n\nUsers are recommended to upgrade to version 6.13.0, which fixes the issue.","state":0,"publishedAt":"2026-10-06T19:44:18.075+00:00","modifiedAt":"2026-10-07T06:11:54.071+00:00","affected":[{"ecosystem":"https://repo.maven.apache.org/maven2","name":"org.apache.bcel:bcel","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Apache Software Foundation\",\n                    \"product\": \"Apache Commons BCEL\",\n                    \"packageURL\": \"pkg:maven/org.apache.bcel/bcel\",\n                    \"repo\": \"https://gitbox.apache.org/repos/asf/commons-bcel.git\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.13.0\",\n                            \"versionType\": \"maven\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"fb72c225cbc6ec3d94060ed6edb269f07428d504\",\n                            \"versionType\": \"git\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"collectionURL\": \"https://repo.maven.apache.org/maven2\",\n                    \"packageName\": \"org.apache.bcel:bcel\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","score":4.7,"severity":"MEDIUM"},{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":2.3,"severity":"LOW"}],"references":["https://github.com/apache/commons-bcel/commit/fb72c225cbc6ec3d94060ed6edb269f07428d504.patch","https://lists.apache.org/thread.html/co1wfk2lyrmpnfhn49o370pvfl978rw6"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-105111","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-105111","identifiers":["CVE-2026-105111"]},"retained":false,"historicalAffected":[]}],"coverage":[]}