{"items":[{"id":"NVI-00018361","kind":"vulnerability","title":"@angular/platform-server: Missing `` Raw-Text Serialization Escaping leads to Cross-Site Scripting (XSS) in Angular SSR","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gxx4-3xcv-f8qx","CVE-2026-50556"],"plain_summary":"GitHub lists this reviewed advisory for @angular/platform-server, @angular/platform-server, @angular/platform-server, @angular/platform-server, @angular/platform-server. 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-16615cb0af5dbbbddd4217374df78d3c"],"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":[],"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-16615cb0af5dbbbddd4217374df78d3c","url":"https://github.com/advisories/GHSA-gxx4-3xcv-f8qx","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gxx4-3xcv-f8qx","publisher":"GitHub Advisory Database","observed_at":"2026-11-06T15:12:54.193Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-16615cb0af5dbbbddd4217374df78d3c"],"technology":"@angular/platform-server","known_exclusions":[],"conditions_summary":"A Cross-Site Scripting (XSS) vulnerability exists in `@angular/platform-server`'s DOM emulation dependency (`domino`) when serializing the content of `` elements.\n\nWhen rendering dynamic text content inside a `` element via template bindings (such as `{{ value }}` or `[textContent]`), the template engine expects the browser to render the content safely. Under Server-Side Rendering (SSR), `domino` is configured with scripting enabled, meaning `` is treated as a raw-text element.\n\nHowever, `domino`'s serializer completely omitted `` from the list of raw-text elements requiring closing-tag escaping during DOM serialization. As a result, any occurrence of `` in the bound dynamic text was **never escaped under any circumstances**.\n\nThe unescaped closing tag was serialized directly into the output HTML (e.g. `alert(1)`). When parsed by a browser, it closes the `` block early, allowing the injected `` block to execute in the user's browser context, causing same-origin Cross-Site Scripting (XSS).\n\n### Impact\n\nThis vulnerability allows an attacker to perform same-origin Cros","public_affected_ranges":[">= 22.0.0-next.0, < 22.0.0-rc.2"]},{"certainty":"source_listed","source_ids":["sr-16615cb0af5dbbbddd4217374df78d3c"],"technology":"@angular/platform-server","known_exclusions":[],"conditions_summary":"A Cross-Site Scripting (XSS) vulnerability exists in `@angular/platform-server`'s DOM emulation dependency (`domino`) when serializing the content of `` elements.\n\nWhen rendering dynamic text content inside a `` element via template bindings (such as `{{ value }}` or `[textContent]`), the template engine expects the browser to render the content safely. Under Server-Side Rendering (SSR), `domino` is configured with scripting enabled, meaning `` is treated as a raw-text element.\n\nHowever, `domino`'s serializer completely omitted `` from the list of raw-text elements requiring closing-tag escaping during DOM serialization. As a result, any occurrence of `` in the bound dynamic text was **never escaped under any circumstances**.\n\nThe unescaped closing tag was serialized directly into the output HTML (e.g. `alert(1)`). When parsed by a browser, it closes the `` block early, allowing the injected `` block to execute in the user's browser context, causing same-origin Cross-Site Scripting (XSS).\n\n### Impact\n\nThis vulnerability allows an attacker to perform same-origin Cros","public_affected_ranges":[">= 21.0.0-next.0, < 21.2.16"]},{"certainty":"source_listed","source_ids":["sr-16615cb0af5dbbbddd4217374df78d3c"],"technology":"@angular/platform-server","known_exclusions":[],"conditions_summary":"A Cross-Site Scripting (XSS) vulnerability exists in `@angular/platform-server`'s DOM emulation dependency (`domino`) when serializing the content of `` elements.\n\nWhen rendering dynamic text content inside a `` element via template bindings (such as `{{ value }}` or `[textContent]`), the template engine expects the browser to render the content safely. Under Server-Side Rendering (SSR), `domino` is configured with scripting enabled, meaning `` is treated as a raw-text element.\n\nHowever, `domino`'s serializer completely omitted `` from the list of raw-text elements requiring closing-tag escaping during DOM serialization. As a result, any occurrence of `` in the bound dynamic text was **never escaped under any circumstances**.\n\nThe unescaped closing tag was serialized directly into the output HTML (e.g. `alert(1)`). When parsed by a browser, it closes the `` block early, allowing the injected `` block to execute in the user's browser context, causing same-origin Cross-Site Scripting (XSS).\n\n### Impact\n\nThis vulnerability allows an attacker to perform same-origin Cros","public_affected_ranges":[">= 20.0.0-next.0, < 20.3.24"]},{"certainty":"source_listed","source_ids":["sr-16615cb0af5dbbbddd4217374df78d3c"],"technology":"@angular/platform-server","known_exclusions":[],"conditions_summary":"A Cross-Site Scripting (XSS) vulnerability exists in `@angular/platform-server`'s DOM emulation dependency (`domino`) when serializing the content of `` elements.\n\nWhen rendering dynamic text content inside a `` element via template bindings (such as `{{ value }}` or `[textContent]`), the template engine expects the browser to render the content safely. Under Server-Side Rendering (SSR), `domino` is configured with scripting enabled, meaning `` is treated as a raw-text element.\n\nHowever, `domino`'s serializer completely omitted `` from the list of raw-text elements requiring closing-tag escaping during DOM serialization. As a result, any occurrence of `` in the bound dynamic text was **never escaped under any circumstances**.\n\nThe unescaped closing tag was serialized directly into the output HTML (e.g. `alert(1)`). When parsed by a browser, it closes the `` block early, allowing the injected `` block to execute in the user's browser context, causing same-origin Cross-Site Scripting (XSS).\n\n### Impact\n\nThis vulnerability allows an attacker to perform same-origin Cros","public_affected_ranges":[">= 19.0.0-next.0, < 19.2.25"]},{"certainty":"source_listed","source_ids":["sr-16615cb0af5dbbbddd4217374df78d3c"],"technology":"@angular/platform-server","known_exclusions":[],"conditions_summary":"A Cross-Site Scripting (XSS) vulnerability exists in `@angular/platform-server`'s DOM emulation dependency (`domino`) when serializing the content of `` elements.\n\nWhen rendering dynamic text content inside a `` element via template bindings (such as `{{ value }}` or `[textContent]`), the template engine expects the browser to render the content safely. Under Server-Side Rendering (SSR), `domino` is configured with scripting enabled, meaning `` is treated as a raw-text element.\n\nHowever, `domino`'s serializer completely omitted `` from the list of raw-text elements requiring closing-tag escaping during DOM serialization. As a result, any occurrence of `` in the bound dynamic text was **never escaped under any circumstances**.\n\nThe unescaped closing tag was serialized directly into the output HTML (e.g. `alert(1)`). When parsed by a browser, it closes the `` block early, allowing the injected `` block to execute in the user's browser context, causing same-origin Cross-Site Scripting (XSS).\n\n### Impact\n\nThis vulnerability allows an attacker to perform same-origin Cros","public_affected_ranges":["<= 18.2.14"]}],"null_published_at":"2026-11-07T07:07:39.824Z","source_updated_at":"2026-06-15T17:21:04.000Z","source_disclosed_at":"2026-06-15T17:21:03.000Z","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":"2026-11-06T15:12:54.193Z"}],"next_cursor":null,"snapshot_revision":"42594"}