{"items":[{"id":"NVI-00005307","kind":"vulnerability","title":"Craft CMS Vulnerable to Privilege Escalation/Bypass through UsersController->actionImpersonateWithToken()","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-cc7p-2j3x-x7xf","CVE-2026-32267"],"plain_summary":"GitHub lists this reviewed advisory for craftcms/cms, craftcms/cms. 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-0c8c23d0186dbad43f4a4e0390eb2d22"],"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},{"summary":"The original advisory lists fixed boundaries 4.17.6 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"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 5.9.12 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"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":[{"kind":"CVSS","as_of":"2026-06-17T10:35:27.340Z","value":"9.8 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-dad757cf7d2f665d20e195320cc17c8a"},{"kind":"CVSS","as_of":"2026-06-17T10:35:27.340Z","value":"7.7 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-dad757cf7d2f665d20e195320cc17c8a"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"9.362%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.95392. Missing scores are unknown.","source_id":"sr-0c8c23d0186dbad43f4a4e0390eb2d22"}],"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-32a7cb028e87be8e984891f0908b9017","url":"https://github.com/advisories/GHSA-cc7p-2j3x-x7xf","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cc7p-2j3x-x7xf","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-8a63c1cfca21d49c523bc1f5e1c01e00","url":"https://github.com/advisories/GHSA-cc7p-2j3x-x7xf","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-cc7p-2j3x-x7xf","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.698Z"},{"id":"sr-dad757cf7d2f665d20e195320cc17c8a","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32267","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-32267","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:22:50.140Z"},{"id":"sr-0c8c23d0186dbad43f4a4e0390eb2d22","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-32267","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-32a7cb028e87be8e984891f0908b9017"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\nA low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing `UsersController->actionImpersonateWithToken`.\n\nAffected users should update to Craft 4.17.6 and 5.9.12 to mitigate the issue.\n\n### Details\nThis vulnerability allows any low-privilege user to escalate their privileges and become an admin, or, in extreme circumstances, unprivileged users to do the same.\n\nTherefore, this vulnerability affects Craft Pro and Team more than Craft Solo.\n\nSpecifically, an attacker who possesses a valid “preview token” can then append `&action=users/impersonate-with-token&userId=1&prevUserId=1` to the preview URL to hijack the request into the impersonation endpoint, logging in as any user (including admin) without authentication. Getting the preview token is easy, and all an editor would have to do is create a single article, click “Preview”, and then recover this token.\n\nHere’s what happens:\n\n1. The action re-dispatch in `actionPreview()` passes `$skipSpecialHandling=true` to `handleRequest()`, bypassing all security guards, and passes `$checkToken=false` to `checkIfActionRequest()`, which allows an attacker-contr","public_affected_ranges":[">= 4.0.0-RC1, <= 4.17.5"]},{"certainty":"source_listed","source_ids":["sr-32a7cb028e87be8e984891f0908b9017"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\nA low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing `UsersController->actionImpersonateWithToken`.\n\nAffected users should update to Craft 4.17.6 and 5.9.12 to mitigate the issue.\n\n### Details\nThis vulnerability allows any low-privilege user to escalate their privileges and become an admin, or, in extreme circumstances, unprivileged users to do the same.\n\nTherefore, this vulnerability affects Craft Pro and Team more than Craft Solo.\n\nSpecifically, an attacker who possesses a valid “preview token” can then append `&action=users/impersonate-with-token&userId=1&prevUserId=1` to the preview URL to hijack the request into the impersonation endpoint, logging in as any user (including admin) without authentication. Getting the preview token is easy, and all an editor would have to do is create a single article, click “Preview”, and then recover this token.\n\nHere’s what happens:\n\n1. The action re-dispatch in `actionPreview()` passes `$skipSpecialHandling=true` to `handleRequest()`, bypassing all security guards, and passes `$checkToken=false` to `checkIfActionRequest()`, which allows an attacker-contr","public_affected_ranges":[">= 5.0.0-RC1, <= 5.9.11"]},{"certainty":"source_listed","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\nA low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing `UsersController->actionImpersonateWithToken`.\n\nAffected users should update to Craft 4.17.6 and 5.9.12 to mitigate the issue.\n\n### Details\nThis vulnerability allows any low-privilege user to escalate their privileges and become an admin, or, in extreme circumstances, unprivileged users to do the same.\n\nTherefore, this vulnerability affects Craft Pro and Team more than Craft Solo.\n\nSpecifically, an attacker who possesses a valid “preview token” can then append `&action=users/impersonate-with-token&userId=1&prevUserId=1` to the preview URL to hijack the request into the impersonation endpoint, logging in as any user (including admin) without authentication. Getting the preview token is easy, and all an editor would have to do is create a single article, click “Preview”, and then recover this token.\n\nHere’s what happens:\n\n1. The action re-dispatch in `actionPreview()` passes `$skipSpecialHandling=true` to `handleRequest()`, bypassing all security guards, and passes `$checkToken=false` to `checkIfActionRequest()`, which allows an attacker-contr","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.6"]},{"certainty":"source_listed","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\nA low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing `UsersController->actionImpersonateWithToken`.\n\nAffected users should update to Craft 4.17.6 and 5.9.12 to mitigate the issue.\n\n### Details\nThis vulnerability allows any low-privilege user to escalate their privileges and become an admin, or, in extreme circumstances, unprivileged users to do the same.\n\nTherefore, this vulnerability affects Craft Pro and Team more than Craft Solo.\n\nSpecifically, an attacker who possesses a valid “preview token” can then append `&action=users/impersonate-with-token&userId=1&prevUserId=1` to the preview URL to hijack the request into the impersonation endpoint, logging in as any user (including admin) without authentication. Getting the preview token is easy, and all an editor would have to do is create a single article, click “Preview”, and then recover this token.\n\nHere’s what happens:\n\n1. The action re-dispatch in `actionPreview()` passes `$skipSpecialHandling=true` to `handleRequest()`, bypassing all security guards, and passes `$checkToken=false` to `checkIfActionRequest()`, which allows an attacker-contr","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.9.12"]}],"null_published_at":"2026-11-07T22:29:23.458Z","source_updated_at":"2026-10-07T06:59:19.000Z","source_disclosed_at":"2026-03-16T18:44:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.698Z"},{"id":"NVI-00005307","kind":"vulnerability","title":"Craft CMS Vulnerable to Privilege Escalation/Bypass through UsersController->actionImpersonateWithToken()","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cc7p-2j3x-x7xf","CVE-2026-32267"],"plain_summary":"GitHub lists this reviewed advisory for craftcms/cms, craftcms/cms. 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-0c8c23d0186dbad43f4a4e0390eb2d22"],"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},{"summary":"The original advisory lists fixed boundaries 4.17.6 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"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 5.9.12 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"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":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"9.362%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.95392. Missing scores are unknown.","source_id":"sr-0c8c23d0186dbad43f4a4e0390eb2d22"}],"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-32a7cb028e87be8e984891f0908b9017","url":"https://github.com/advisories/GHSA-cc7p-2j3x-x7xf","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cc7p-2j3x-x7xf","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-8a63c1cfca21d49c523bc1f5e1c01e00","url":"https://github.com/advisories/GHSA-cc7p-2j3x-x7xf","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-cc7p-2j3x-x7xf","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.698Z"},{"id":"sr-0c8c23d0186dbad43f4a4e0390eb2d22","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-32267","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-32a7cb028e87be8e984891f0908b9017"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\nA low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing `UsersController->actionImpersonateWithToken`.\n\nAffected users should update to Craft 4.17.6 and 5.9.12 to mitigate the issue.\n\n### Details\nThis vulnerability allows any low-privilege user to escalate their privileges and become an admin, or, in extreme circumstances, unprivileged users to do the same.\n\nTherefore, this vulnerability affects Craft Pro and Team more than Craft Solo.\n\nSpecifically, an attacker who possesses a valid “preview token” can then append `&action=users/impersonate-with-token&userId=1&prevUserId=1` to the preview URL to hijack the request into the impersonation endpoint, logging in as any user (including admin) without authentication. Getting the preview token is easy, and all an editor would have to do is create a single article, click “Preview”, and then recover this token.\n\nHere’s what happens:\n\n1. The action re-dispatch in `actionPreview()` passes `$skipSpecialHandling=true` to `handleRequest()`, bypassing all security guards, and passes `$checkToken=false` to `checkIfActionRequest()`, which allows an attacker-contr","public_affected_ranges":[">= 4.0.0-RC1, <= 4.17.5"]},{"certainty":"source_listed","source_ids":["sr-32a7cb028e87be8e984891f0908b9017"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\nA low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing `UsersController->actionImpersonateWithToken`.\n\nAffected users should update to Craft 4.17.6 and 5.9.12 to mitigate the issue.\n\n### Details\nThis vulnerability allows any low-privilege user to escalate their privileges and become an admin, or, in extreme circumstances, unprivileged users to do the same.\n\nTherefore, this vulnerability affects Craft Pro and Team more than Craft Solo.\n\nSpecifically, an attacker who possesses a valid “preview token” can then append `&action=users/impersonate-with-token&userId=1&prevUserId=1` to the preview URL to hijack the request into the impersonation endpoint, logging in as any user (including admin) without authentication. Getting the preview token is easy, and all an editor would have to do is create a single article, click “Preview”, and then recover this token.\n\nHere’s what happens:\n\n1. The action re-dispatch in `actionPreview()` passes `$skipSpecialHandling=true` to `handleRequest()`, bypassing all security guards, and passes `$checkToken=false` to `checkIfActionRequest()`, which allows an attacker-contr","public_affected_ranges":[">= 5.0.0-RC1, <= 5.9.11"]},{"certainty":"source_listed","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\nA low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing `UsersController->actionImpersonateWithToken`.\n\nAffected users should update to Craft 4.17.6 and 5.9.12 to mitigate the issue.\n\n### Details\nThis vulnerability allows any low-privilege user to escalate their privileges and become an admin, or, in extreme circumstances, unprivileged users to do the same.\n\nTherefore, this vulnerability affects Craft Pro and Team more than Craft Solo.\n\nSpecifically, an attacker who possesses a valid “preview token” can then append `&action=users/impersonate-with-token&userId=1&prevUserId=1` to the preview URL to hijack the request into the impersonation endpoint, logging in as any user (including admin) without authentication. Getting the preview token is easy, and all an editor would have to do is create a single article, click “Preview”, and then recover this token.\n\nHere’s what happens:\n\n1. The action re-dispatch in `actionPreview()` passes `$skipSpecialHandling=true` to `handleRequest()`, bypassing all security guards, and passes `$checkToken=false` to `checkIfActionRequest()`, which allows an attacker-contr","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.6"]},{"certainty":"source_listed","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\nA low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing `UsersController->actionImpersonateWithToken`.\n\nAffected users should update to Craft 4.17.6 and 5.9.12 to mitigate the issue.\n\n### Details\nThis vulnerability allows any low-privilege user to escalate their privileges and become an admin, or, in extreme circumstances, unprivileged users to do the same.\n\nTherefore, this vulnerability affects Craft Pro and Team more than Craft Solo.\n\nSpecifically, an attacker who possesses a valid “preview token” can then append `&action=users/impersonate-with-token&userId=1&prevUserId=1` to the preview URL to hijack the request into the impersonation endpoint, logging in as any user (including admin) without authentication. Getting the preview token is easy, and all an editor would have to do is create a single article, click “Preview”, and then recover this token.\n\nHere’s what happens:\n\n1. The action re-dispatch in `actionPreview()` passes `$skipSpecialHandling=true` to `handleRequest()`, bypassing all security guards, and passes `$checkToken=false` to `checkIfActionRequest()`, which allows an attacker-contr","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.9.12"]}],"null_published_at":"2026-11-01T01:03:56.606Z","source_updated_at":"2026-10-07T06:59:19.000Z","source_disclosed_at":"2026-03-16T18:44:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.698Z"},{"id":"NVI-00005307","kind":"vulnerability","title":"Craft CMS Vulnerable to Privilege Escalation/Bypass through UsersController->actionImpersonateWithToken()","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cc7p-2j3x-x7xf","CVE-2026-32267"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. 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 4.17.6 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"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 5.9.12 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"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":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0c8c23d0186dbad43f4a4e0390eb2d22"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"9.362%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.95392. Missing scores are unknown.","source_id":"sr-0c8c23d0186dbad43f4a4e0390eb2d22"}],"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-8a63c1cfca21d49c523bc1f5e1c01e00","url":"https://github.com/advisories/GHSA-cc7p-2j3x-x7xf","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-cc7p-2j3x-x7xf","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.698Z"},{"id":"sr-0c8c23d0186dbad43f4a4e0390eb2d22","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-32267","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\nA low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing `UsersController->actionImpersonateWithToken`.\n\nAffected users should update to Craft 4.17.6 and 5.9.12 to mitigate the issue.\n\n### Details\nThis vulnerability allows any low-privilege user to escalate their privileges and become an admin, or, in extreme circumstances, unprivileged users to do the same.\n\nTherefore, this vulnerability affects Craft Pro and Team more than Craft Solo.\n\nSpecifically, an attacker who possesses a valid “preview token” can then append `&action=users/impersonate-with-token&userId=1&prevUserId=1` to the preview URL to hijack the request into the impersonation endpoint, logging in as any user (including admin) without authentication. Getting the preview token is easy, and all an editor would have to do is create a single article, click “Preview”, and then recover this token.\n\nHere’s what happens:\n\n1. The action re-dispatch in `actionPreview()` passes `$skipSpecialHandling=true` to `handleRequest()`, bypassing all security guards, and passes `$checkToken=false` to `checkIfActionRequest()`, which allows an attacker-contr","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.17.6"]},{"certainty":"source_listed","source_ids":["sr-8a63c1cfca21d49c523bc1f5e1c01e00"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"### Summary\nA low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing `UsersController->actionImpersonateWithToken`.\n\nAffected users should update to Craft 4.17.6 and 5.9.12 to mitigate the issue.\n\n### Details\nThis vulnerability allows any low-privilege user to escalate their privileges and become an admin, or, in extreme circumstances, unprivileged users to do the same.\n\nTherefore, this vulnerability affects Craft Pro and Team more than Craft Solo.\n\nSpecifically, an attacker who possesses a valid “preview token” can then append `&action=users/impersonate-with-token&userId=1&prevUserId=1` to the preview URL to hijack the request into the impersonation endpoint, logging in as any user (including admin) without authentication. Getting the preview token is easy, and all an editor would have to do is create a single article, click “Preview”, and then recover this token.\n\nHere’s what happens:\n\n1. The action re-dispatch in `actionPreview()` passes `$skipSpecialHandling=true` to `handleRequest()`, bypassing all security guards, and passes `$checkToken=false` to `checkIfActionRequest()`, which allows an attacker-contr","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.9.12"]}],"null_published_at":"2026-10-31T22:13:44.231Z","source_updated_at":"2026-03-17T15:31:41.263Z","source_disclosed_at":"2026-03-16T18:44:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:10.698Z"}],"next_cursor":null,"snapshot_revision":"42594"}