{"items":[{"id":"NVI-00005326","kind":"vulnerability","title":"Winter CMS Stored XSS through Backend ColorPicker FormWidget","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-43w4-4j3c-jx29","CVE-2023-52084"],"plain_summary":"OSV carries this publisher advisory for winter/wn-backend-module. 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 1.2.4 for winter/wn-backend-module. Confirm the publisher’s latest guidance.","source_ids":["sr-8afdfb4212a13f595cb1d903fff59f00"],"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-1924ca0ca8444bbd490c14a882fe7593"],"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":"2026-11-04T12:03:12.000Z","value":"0.309%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.23831. Missing scores are unknown.","source_id":"sr-1924ca0ca8444bbd490c14a882fe7593"}],"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-8afdfb4212a13f595cb1d903fff59f00","url":"https://github.com/advisories/GHSA-43w4-4j3c-jx29","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-43w4-4j3c-jx29","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.663Z"},{"id":"sr-1924ca0ca8444bbd490c14a882fe7593","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-2023-52084","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:57:29.219Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8afdfb4212a13f595cb1d903fff59f00"],"technology":"winter/wn-backend-module","known_exclusions":[],"conditions_summary":"### Impact\nUsers with access to backend forms that include a ColorPicker FormWidget can provide a value that would then be rendered unescaped in the backend form, potentially allowing for a stored XSS attack.\n\nBy default, only the Brand Settings (`backend.manage_branding`) and Mail Brand Settings (`system.manage_mail_templates`) forms include the `colorpicker` formwidget, however it is also common for theme's to include it on their Theme Customization (`cms.manage_theme_options`) form.\n\nAlthough this was a security issue, it's important to note that its severity is relatively low. To exploit the vulnerability, an attacker would already need to have trusted access to the Winter CMS backend and they would then need to convince a user with higher privileges than them to visit an affected Form in the backend.\n\nThese two factors limit the potential harm of this vulnerability. That being said, all users are advised to update to the latest version (1.2.4) to ensure their systems remain secure.\n\n### Patches\nThis issue has been patched in v1.2.4.\n\n### Workarounds\nApply https://github.com/wintercms/winter/commit/517f65dfae679","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.2.4"]}],"null_published_at":"2026-11-08T19:53:38.945Z","source_updated_at":"2026-09-10T03:49:59.253Z","source_disclosed_at":"2023-12-28T22:32:52.000Z","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":"2026-10-31T21:41:49.663Z"},{"id":"NVI-00005326","kind":"vulnerability","title":"Winter CMS Stored XSS through Backend ColorPicker FormWidget","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-43w4-4j3c-jx29","CVE-2023-52084"],"plain_summary":"OSV carries this publisher advisory for winter/wn-backend-module. 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 1.2.4 for winter/wn-backend-module. Confirm the publisher’s latest guidance.","source_ids":["sr-8afdfb4212a13f595cb1d903fff59f00"],"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-2f3770da9f3330ae1cb7cb5d4022f0c6"],"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":"2026-11-01T12:00:16.000Z","value":"0.309%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.23725. Missing scores are unknown.","source_id":"sr-2f3770da9f3330ae1cb7cb5d4022f0c6"}],"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-8afdfb4212a13f595cb1d903fff59f00","url":"https://github.com/advisories/GHSA-43w4-4j3c-jx29","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-43w4-4j3c-jx29","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.663Z"},{"id":"sr-2f3770da9f3330ae1cb7cb5d4022f0c6","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-2023-52084","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:27:48.610Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8afdfb4212a13f595cb1d903fff59f00"],"technology":"winter/wn-backend-module","known_exclusions":[],"conditions_summary":"### Impact\nUsers with access to backend forms that include a ColorPicker FormWidget can provide a value that would then be rendered unescaped in the backend form, potentially allowing for a stored XSS attack.\n\nBy default, only the Brand Settings (`backend.manage_branding`) and Mail Brand Settings (`system.manage_mail_templates`) forms include the `colorpicker` formwidget, however it is also common for theme's to include it on their Theme Customization (`cms.manage_theme_options`) form.\n\nAlthough this was a security issue, it's important to note that its severity is relatively low. To exploit the vulnerability, an attacker would already need to have trusted access to the Winter CMS backend and they would then need to convince a user with higher privileges than them to visit an affected Form in the backend.\n\nThese two factors limit the potential harm of this vulnerability. That being said, all users are advised to update to the latest version (1.2.4) to ensure their systems remain secure.\n\n### Patches\nThis issue has been patched in v1.2.4.\n\n### Workarounds\nApply https://github.com/wintercms/winter/commit/517f65dfae679","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.2.4"]}],"null_published_at":"2026-11-06T15:18:11.485Z","source_updated_at":"2026-09-10T03:49:59.253Z","source_disclosed_at":"2023-12-28T22:32:52.000Z","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":"2026-10-31T21:41:49.663Z"},{"id":"NVI-00005326","kind":"vulnerability","title":"Winter CMS Stored XSS through Backend ColorPicker FormWidget","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-43w4-4j3c-jx29","CVE-2023-52084"],"plain_summary":"OSV carries this publisher advisory for winter/wn-backend-module. 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 1.2.4 for winter/wn-backend-module. Confirm the publisher’s latest guidance.","source_ids":["sr-8afdfb4212a13f595cb1d903fff59f00"],"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-4f09ba92c652afa0edf85a141b85b40e"],"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":"0.309%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.2373. Missing scores are unknown.","source_id":"sr-4f09ba92c652afa0edf85a141b85b40e"}],"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-8afdfb4212a13f595cb1d903fff59f00","url":"https://github.com/advisories/GHSA-43w4-4j3c-jx29","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-43w4-4j3c-jx29","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.663Z"},{"id":"sr-4f09ba92c652afa0edf85a141b85b40e","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-2023-52084","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8afdfb4212a13f595cb1d903fff59f00"],"technology":"winter/wn-backend-module","known_exclusions":[],"conditions_summary":"### Impact\nUsers with access to backend forms that include a ColorPicker FormWidget can provide a value that would then be rendered unescaped in the backend form, potentially allowing for a stored XSS attack.\n\nBy default, only the Brand Settings (`backend.manage_branding`) and Mail Brand Settings (`system.manage_mail_templates`) forms include the `colorpicker` formwidget, however it is also common for theme's to include it on their Theme Customization (`cms.manage_theme_options`) form.\n\nAlthough this was a security issue, it's important to note that its severity is relatively low. To exploit the vulnerability, an attacker would already need to have trusted access to the Winter CMS backend and they would then need to convince a user with higher privileges than them to visit an affected Form in the backend.\n\nThese two factors limit the potential harm of this vulnerability. That being said, all users are advised to update to the latest version (1.2.4) to ensure their systems remain secure.\n\n### Patches\nThis issue has been patched in v1.2.4.\n\n### Workarounds\nApply https://github.com/wintercms/winter/commit/517f65dfae679","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.2.4"]}],"null_published_at":"2026-10-31T23:18:17.284Z","source_updated_at":"2026-09-10T03:49:59.253Z","source_disclosed_at":"2023-12-28T22:32:52.000Z","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":"2026-10-31T21:41:49.663Z"},{"id":"NVI-00005326","kind":"vulnerability","title":"Winter CMS Stored XSS through Backend ColorPicker FormWidget","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-43w4-4j3c-jx29","CVE-2023-52084"],"plain_summary":"OSV carries this publisher advisory for winter/wn-backend-module. 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 1.2.4 for winter/wn-backend-module. Confirm the publisher’s latest guidance.","source_ids":["sr-8afdfb4212a13f595cb1d903fff59f00"],"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-8afdfb4212a13f595cb1d903fff59f00","url":"https://github.com/advisories/GHSA-43w4-4j3c-jx29","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-43w4-4j3c-jx29","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.663Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8afdfb4212a13f595cb1d903fff59f00"],"technology":"winter/wn-backend-module","known_exclusions":[],"conditions_summary":"### Impact\nUsers with access to backend forms that include a ColorPicker FormWidget can provide a value that would then be rendered unescaped in the backend form, potentially allowing for a stored XSS attack.\n\nBy default, only the Brand Settings (`backend.manage_branding`) and Mail Brand Settings (`system.manage_mail_templates`) forms include the `colorpicker` formwidget, however it is also common for theme's to include it on their Theme Customization (`cms.manage_theme_options`) form.\n\nAlthough this was a security issue, it's important to note that its severity is relatively low. To exploit the vulnerability, an attacker would already need to have trusted access to the Winter CMS backend and they would then need to convince a user with higher privileges than them to visit an affected Form in the backend.\n\nThese two factors limit the potential harm of this vulnerability. That being said, all users are advised to update to the latest version (1.2.4) to ensure their systems remain secure.\n\n### Patches\nThis issue has been patched in v1.2.4.\n\n### Workarounds\nApply https://github.com/wintercms/winter/commit/517f65dfae679","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.2.4"]}],"null_published_at":"2026-10-31T22:13:01.460Z","source_updated_at":"2026-09-10T03:49:59.253Z","source_disclosed_at":"2023-12-28T22:32:52.000Z","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":"2026-10-31T21:41:49.663Z"}],"next_cursor":null,"snapshot_revision":"42594"}