{"items":[{"id":"NVI-00017833","kind":"vulnerability","title":"Apache ActiveMQ, Apache ActiveMQ Web have a Cross-site Scripting issue","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8wm6-6fqh-phmc","CVE-2026-42253"],"plain_summary":"GitHub lists this reviewed advisory for org.apache.activemq:apache-activemq, org.apache.activemq:apache-activemq, org.apache.activemq:activemq-web, org.apache.activemq:activemq-web. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-71d31ceeae24ba6c5fea0f5c73b529ef"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-09T20:51:25.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-71d31ceeae24ba6c5fea0f5c73b529ef"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-71d31ceeae24ba6c5fea0f5c73b529ef","url":"https://github.com/advisories/GHSA-8wm6-6fqh-phmc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-8wm6-6fqh-phmc","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T23:34:40.400Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-71d31ceeae24ba6c5fea0f5c73b529ef"],"technology":"org.apache.activemq:apache-activemq","known_exclusions":[],"conditions_summary":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache ActiveMQ, Apache ActiveMQ Web.\n\nThe MessageServlet in the ActiveMQ web console API copies every JMS message\nproperty into an HTTP response header without any validation. This can allow overwriting and injecting security headers by setting them on JMS messages that are returned by the servlet.\n\nThis issue affects Apache ActiveMQ: before 5.19.7, from 6.0.0 before 6.2.6; Apache ActiveMQ Web: before 5.19.7, from 6.0.0 before 6.2.6.\n\nUsers are recommended to upgrade to version 5.19.7 or 6.2.6, which fixes the issue. The MessageServlet has now been deprecated and disabled by default.","public_affected_ranges":["< 5.19.7"]},{"certainty":"source_listed","source_ids":["sr-71d31ceeae24ba6c5fea0f5c73b529ef"],"technology":"org.apache.activemq:apache-activemq","known_exclusions":[],"conditions_summary":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache ActiveMQ, Apache ActiveMQ Web.\n\nThe MessageServlet in the ActiveMQ web console API copies every JMS message\nproperty into an HTTP response header without any validation. This can allow overwriting and injecting security headers by setting them on JMS messages that are returned by the servlet.\n\nThis issue affects Apache ActiveMQ: before 5.19.7, from 6.0.0 before 6.2.6; Apache ActiveMQ Web: before 5.19.7, from 6.0.0 before 6.2.6.\n\nUsers are recommended to upgrade to version 5.19.7 or 6.2.6, which fixes the issue. The MessageServlet has now been deprecated and disabled by default.","public_affected_ranges":[">= 6.0.0, < 6.2.6"]},{"certainty":"source_listed","source_ids":["sr-71d31ceeae24ba6c5fea0f5c73b529ef"],"technology":"org.apache.activemq:activemq-web","known_exclusions":[],"conditions_summary":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache ActiveMQ, Apache ActiveMQ Web.\n\nThe MessageServlet in the ActiveMQ web console API copies every JMS message\nproperty into an HTTP response header without any validation. This can allow overwriting and injecting security headers by setting them on JMS messages that are returned by the servlet.\n\nThis issue affects Apache ActiveMQ: before 5.19.7, from 6.0.0 before 6.2.6; Apache ActiveMQ Web: before 5.19.7, from 6.0.0 before 6.2.6.\n\nUsers are recommended to upgrade to version 5.19.7 or 6.2.6, which fixes the issue. The MessageServlet has now been deprecated and disabled by default.","public_affected_ranges":["< 5.19.7"]},{"certainty":"source_listed","source_ids":["sr-71d31ceeae24ba6c5fea0f5c73b529ef"],"technology":"org.apache.activemq:activemq-web","known_exclusions":[],"conditions_summary":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache ActiveMQ, Apache ActiveMQ Web.\n\nThe MessageServlet in the ActiveMQ web console API copies every JMS message\nproperty into an HTTP response header without any validation. This can allow overwriting and injecting security headers by setting them on JMS messages that are returned by the servlet.\n\nThis issue affects Apache ActiveMQ: before 5.19.7, from 6.0.0 before 6.2.6; Apache ActiveMQ Web: before 5.19.7, from 6.0.0 before 6.2.6.\n\nUsers are recommended to upgrade to version 5.19.7 or 6.2.6, which fixes the issue. The MessageServlet has now been deprecated and disabled by default.","public_affected_ranges":[">= 6.0.0, < 6.2.6"]}],"null_published_at":"2026-11-05T19:10:21.473Z","source_updated_at":"2026-07-09T20:51:25.000Z","source_disclosed_at":"2026-06-01T09:31:14.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-04T23:34:40.400Z"}],"next_cursor":null,"snapshot_revision":"42594"}