{"items":[{"id":"NVI-00005558","kind":"vulnerability","title":"TinyMCE vulnerable to mutation Cross-site Scripting via special characters in unescaped text nodes","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v626-r774-j7f8","CVE-2023-48219"],"plain_summary":"OSV carries this publisher advisory for tinymce, tinymce, tinymce/tinymce, tinymce/tinymce, TinyMCE. 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 5.10.9 for tinymce. Confirm the publisher’s latest guidance.","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"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 6.7.3 for tinymce. Confirm the publisher’s latest guidance.","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"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 5.10.9 for tinymce/tinymce. Confirm the publisher’s latest guidance.","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"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 6.7.3 for tinymce/tinymce. Confirm the publisher’s latest guidance.","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"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-9a34cc4ca32988f8cd2fdf138046d0a1"],"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":"0.715%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.53767. Missing scores are unknown.","source_id":"sr-9a34cc4ca32988f8cd2fdf138046d0a1"}],"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-9420f99cacc5e4c99a0f8333feca7799","url":"https://github.com/advisories/GHSA-v626-r774-j7f8","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-v626-r774-j7f8","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.370Z"},{"id":"sr-9a34cc4ca32988f8cd2fdf138046d0a1","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-2023-48219","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"tinymce","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["SEMVER: introduced 0; fixed 5.10.9"]},{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"tinymce","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["SEMVER: introduced 6.0.0; fixed 6.7.3"]},{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"tinymce/tinymce","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.10.9"]},{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"tinymce/tinymce","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0; fixed 6.7.3"]},{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"TinyMCE","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.10.9"]},{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"TinyMCE","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0; fixed 6.7.3"]}],"null_published_at":"2026-11-04T02:53:03.164Z","source_updated_at":"2026-09-10T03:50:00.193Z","source_disclosed_at":"2023-11-15T18:32:34.000Z","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":"2026-10-31T21:42:41.370Z"},{"id":"NVI-00005558","kind":"vulnerability","title":"TinyMCE vulnerable to mutation Cross-site Scripting via special characters in unescaped text nodes","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v626-r774-j7f8","CVE-2023-48219"],"plain_summary":"OSV carries this publisher advisory for tinymce, tinymce, tinymce/tinymce, tinymce/tinymce, TinyMCE. 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 5.10.9 for tinymce. Confirm the publisher’s latest guidance.","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"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 6.7.3 for tinymce. Confirm the publisher’s latest guidance.","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"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 5.10.9 for tinymce/tinymce. Confirm the publisher’s latest guidance.","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"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 6.7.3 for tinymce/tinymce. Confirm the publisher’s latest guidance.","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"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-9420f99cacc5e4c99a0f8333feca7799","url":"https://github.com/advisories/GHSA-v626-r774-j7f8","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-v626-r774-j7f8","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.370Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"tinymce","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["SEMVER: introduced 0; fixed 5.10.9"]},{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"tinymce","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["SEMVER: introduced 6.0.0; fixed 6.7.3"]},{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"tinymce/tinymce","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.10.9"]},{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"tinymce/tinymce","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0; fixed 6.7.3"]},{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"TinyMCE","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.10.9"]},{"certainty":"source_listed","source_ids":["sr-9420f99cacc5e4c99a0f8333feca7799"],"technology":"TinyMCE","known_exclusions":[],"conditions_summary":"### Impact\nA mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. Such mutations occur when serialised HTML content is processed before being stored in the undo stack, or when the following APIs and plugins are used:\n* `tinymce.Editor.getContent({ format: 'raw' })`\n* `tinymce.Editor.resetContent()`\n* [Autosave ","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0; fixed 6.7.3"]}],"null_published_at":"2026-10-31T22:13:01.469Z","source_updated_at":"2026-09-10T03:50:00.193Z","source_disclosed_at":"2023-11-15T18:32:34.000Z","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":"2026-10-31T21:42:41.370Z"}],"next_cursor":null,"snapshot_revision":"42594"}