{"items":[{"id":"NVI-00003126","kind":"vulnerability","title":"Winter CMS Stored XSS through privileged upload of Media Manager file followed by renaming","revision":3,"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-4wvw-75qh-fqjp","CVE-2023-52083"],"plain_summary":"OSV carries this publisher advisory for winter/wn-system-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-system-module. Confirm the publisher’s latest guidance.","source_ids":["sr-337c28f6467e8bd62021c181069e4138"],"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-92df3cfb2c7751dae2897a99dd91f349"],"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":"2026-06-17T06:42:02.403Z","value":"2 LOW (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-b6ff3de13659a535d205325dc66b3788"},{"kind":"CVSS","as_of":"2026-06-17T06:42:02.403Z","value":"4.8 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-b6ff3de13659a535d205325dc66b3788"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.311%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.24019. Missing scores are unknown.","source_id":"sr-92df3cfb2c7751dae2897a99dd91f349"}],"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-337c28f6467e8bd62021c181069e4138","url":"https://github.com/advisories/GHSA-4wvw-75qh-fqjp","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4wvw-75qh-fqjp","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.674Z"},{"id":"sr-b6ff3de13659a535d205325dc66b3788","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52083","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2023-52083","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T00:58:59.624Z"},{"id":"sr-92df3cfb2c7751dae2897a99dd91f349","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-2023-52083","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-337c28f6467e8bd62021c181069e4138"],"technology":"winter/wn-system-module","known_exclusions":[],"conditions_summary":"### Impact\n\nUsers with the `media.manage_media` permission can upload files to the Media Manager and rename them after uploading. Previously, media manager files were only sanitized on upload, not on renaming, which could have allowed a stored XSS attack.\n\nAlthough this was a security issue, it's important to note that its severity is low. To exploit the vulnerability, an attacker would already need to have trusted permissions in the Winter CMS backend. This means they would already have extensive access and control within the system. Additionally, to execute the XSS, the attacker would need to convince the victim to directly visit the URL of the maliciously uploaded SVG, and the application would have to be using local storage where uploaded files are served under the same domain as the application itself instead of a CDN. This is because all SVGs in Winter CMS are rendered through an img tag, which prevents any payloads from being executed directly.\n\nThese two factors significantly 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 pa","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.2.4"]}],"null_published_at":"2026-11-06T15:18:17.694Z","source_updated_at":"2026-09-10T03:49:59.396Z","source_disclosed_at":"2023-12-28T22:32:10.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.674Z"},{"id":"NVI-00003126","kind":"vulnerability","title":"Winter CMS Stored XSS through privileged upload of Media Manager file followed by renaming","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4wvw-75qh-fqjp","CVE-2023-52083"],"plain_summary":"OSV carries this publisher advisory for winter/wn-system-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-system-module. Confirm the publisher’s latest guidance.","source_ids":["sr-337c28f6467e8bd62021c181069e4138"],"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-92df3cfb2c7751dae2897a99dd91f349"],"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":"0.311%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.24019. Missing scores are unknown.","source_id":"sr-92df3cfb2c7751dae2897a99dd91f349"}],"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-337c28f6467e8bd62021c181069e4138","url":"https://github.com/advisories/GHSA-4wvw-75qh-fqjp","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4wvw-75qh-fqjp","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.674Z"},{"id":"sr-92df3cfb2c7751dae2897a99dd91f349","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-2023-52083","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-337c28f6467e8bd62021c181069e4138"],"technology":"winter/wn-system-module","known_exclusions":[],"conditions_summary":"### Impact\n\nUsers with the `media.manage_media` permission can upload files to the Media Manager and rename them after uploading. Previously, media manager files were only sanitized on upload, not on renaming, which could have allowed a stored XSS attack.\n\nAlthough this was a security issue, it's important to note that its severity is low. To exploit the vulnerability, an attacker would already need to have trusted permissions in the Winter CMS backend. This means they would already have extensive access and control within the system. Additionally, to execute the XSS, the attacker would need to convince the victim to directly visit the URL of the maliciously uploaded SVG, and the application would have to be using local storage where uploaded files are served under the same domain as the application itself instead of a CDN. This is because all SVGs in Winter CMS are rendered through an img tag, which prevents any payloads from being executed directly.\n\nThese two factors significantly 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 pa","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.2.4"]}],"null_published_at":"2026-11-04T02:53:03.127Z","source_updated_at":"2026-09-10T03:49:59.396Z","source_disclosed_at":"2023-12-28T22:32:10.000Z","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":"2026-10-31T21:41:49.674Z"},{"id":"NVI-00003126","kind":"vulnerability","title":"Winter CMS Stored XSS through privileged upload of Media Manager file followed by renaming","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4wvw-75qh-fqjp","CVE-2023-52083"],"plain_summary":"OSV carries this publisher advisory for winter/wn-system-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-system-module. Confirm the publisher’s latest guidance.","source_ids":["sr-337c28f6467e8bd62021c181069e4138"],"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-337c28f6467e8bd62021c181069e4138","url":"https://github.com/advisories/GHSA-4wvw-75qh-fqjp","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4wvw-75qh-fqjp","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.674Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-337c28f6467e8bd62021c181069e4138"],"technology":"winter/wn-system-module","known_exclusions":[],"conditions_summary":"### Impact\n\nUsers with the `media.manage_media` permission can upload files to the Media Manager and rename them after uploading. Previously, media manager files were only sanitized on upload, not on renaming, which could have allowed a stored XSS attack.\n\nAlthough this was a security issue, it's important to note that its severity is low. To exploit the vulnerability, an attacker would already need to have trusted permissions in the Winter CMS backend. This means they would already have extensive access and control within the system. Additionally, to execute the XSS, the attacker would need to convince the victim to directly visit the URL of the maliciously uploaded SVG, and the application would have to be using local storage where uploaded files are served under the same domain as the application itself instead of a CDN. This is because all SVGs in Winter CMS are rendered through an img tag, which prevents any payloads from being executed directly.\n\nThese two factors significantly 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 pa","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.2.4"]}],"null_published_at":"2026-10-31T22:12:38.475Z","source_updated_at":"2026-09-10T03:49:59.396Z","source_disclosed_at":"2023-12-28T22:32:10.000Z","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":"2026-10-31T21:41:49.674Z"}],"next_cursor":null,"snapshot_revision":"42594"}