{"items":[{"id":"NVI-00008138","kind":"vulnerability","title":"Cross-site Scripting vulnerabilities in Neos","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6cj3-rc4p-f38f"],"plain_summary":"OSV carries this publisher advisory for neos/neos, neos/neos. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 1.2.13 for neos/neos. Confirm the publisher’s latest guidance.","source_ids":["sr-f7ca5dadef1450e997dbde3723677675"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.0.4 for neos/neos. Confirm the publisher’s latest guidance.","source_ids":["sr-f7ca5dadef1450e997dbde3723677675"],"action_type":"vendor_patch","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":[],"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-f7ca5dadef1450e997dbde3723677675","url":"https://github.com/advisories/GHSA-6cj3-rc4p-f38f","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-6cj3-rc4p-f38f","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.934Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f7ca5dadef1450e997dbde3723677675"],"technology":"neos/neos","known_exclusions":[],"conditions_summary":"It has been discovered that Neos is vulnerable to several XSS attacks. Through these vulnerabilities, an attacker could tamper with page rendering, redirect victims to a fake login page, or capture user credentials (such as cookies). With the potential backdoor upload an attacker could gain access to the server itself, to an extent mainly limited by the server setup.\n\n### Reflected Cross-Site Scripting (SXSS) with authentication\nA Neos backend user with permission to modify content can insert JavaScript instructions into content elements. The browser will execute the script in \"Print\" preview mode.\nA Neos backend user who can modify his profile information (\"Title\", \"First Name\", \"Last name\", \"Middle Name\", \"Other Name\") can inject JavaScript instructions in those parameters. Once set up, an administrator who wants to edit this user account will execute the code.\nBoth attack vectors require a valid Neos backend user account.\n\n### Reflected Cross-Site Scripting (RXSS) without authentication\nA non-persistent XSS using parameters passed during plugin execution is possible. If invalid parameters are passed, an error message may be shown (depending on the context Neos runs in and how th","public_affected_ranges":["ECOSYSTEM: introduced 1.2.0; fixed 1.2.13"]},{"certainty":"source_listed","source_ids":["sr-f7ca5dadef1450e997dbde3723677675"],"technology":"neos/neos","known_exclusions":[],"conditions_summary":"It has been discovered that Neos is vulnerable to several XSS attacks. Through these vulnerabilities, an attacker could tamper with page rendering, redirect victims to a fake login page, or capture user credentials (such as cookies). With the potential backdoor upload an attacker could gain access to the server itself, to an extent mainly limited by the server setup.\n\n### Reflected Cross-Site Scripting (SXSS) with authentication\nA Neos backend user with permission to modify content can insert JavaScript instructions into content elements. The browser will execute the script in \"Print\" preview mode.\nA Neos backend user who can modify his profile information (\"Title\", \"First Name\", \"Last name\", \"Middle Name\", \"Other Name\") can inject JavaScript instructions in those parameters. Once set up, an administrator who wants to edit this user account will execute the code.\nBoth attack vectors require a valid Neos backend user account.\n\n### Reflected Cross-Site Scripting (RXSS) without authentication\nA non-persistent XSS using parameters passed during plugin execution is possible. If invalid parameters are passed, an error message may be shown (depending on the context Neos runs in and how th","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.4"]}],"null_published_at":"2026-10-31T22:13:22.831Z","source_updated_at":"2024-05-17T23:04:02.000Z","source_disclosed_at":"2024-05-17T23:04:02.000Z","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":"2026-10-31T21:41:59.934Z"}],"next_cursor":null,"snapshot_revision":"42594"}