{"items":[{"id":"NVI-00013209","kind":"vulnerability","title":"@vue/server-renderer: XSS via missing CR in attribute-name blacklist","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g2v6-rqmx-r4w6"],"plain_summary":"GitHub lists this reviewed advisory for @vue/server-renderer, @vue/server-renderer. 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-92aec38627ecfc48a09540fb326f1068"],"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":"2026-10-05T22:50:56.000Z","value":"7.2 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-92aec38627ecfc48a09540fb326f1068"}],"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-92aec38627ecfc48a09540fb326f1068","url":"https://github.com/advisories/GHSA-g2v6-rqmx-r4w6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-g2v6-rqmx-r4w6","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-92aec38627ecfc48a09540fb326f1068"],"technology":"@vue/server-renderer","known_exclusions":[],"conditions_summary":"## Description\n\n`@vue/server-renderer` was investigated specifically because it's the one place in Vue where template rendering output becomes a real HTTP response body -- a genuine server-side trust boundary, unlike client-side rendering which only ever affects the same browser session that's already running the app's own JS.\n\n`ssrRenderAttrs()` (in `packages/server-renderer/src/helpers/ssrRenderAttrs.ts`) is what compiled SSR output calls for something like ``. It loops over the object's own keys and, for each one, renders it as an HTML attribute:\n\n```ts\nexport function ssrRenderDynamicAttr(\n  key: string,\n  value: unknown,\n  tag?: string,\n): string {\n  if (!isRenderableAttrValue(value)) {\n    return ``\n  }\n  const attrKey = ...\n  if (isBooleanAttr(attrKey) || ...) {\n    return includeBooleanAttr(value) ? ` ${attrKey}` : ``\n  } else if (isSSRSafeAttrName(attrKey)) {\n    return value === '' ? ` ${attrKey}` : ` ${attrKey}=\"${escapeHtml(value)}\"`\n  } else {\n    console.warn(`[@vue/server-renderer] Skipped rendering unsafe attribute name: ${attrKey}`)\n    return ``\n  }\n}\n```\n\nThe value always goes through `escapeHtml()` -- that part is correctly and consisten","public_affected_ranges":["< 3.5.42"]},{"certainty":"source_listed","source_ids":["sr-92aec38627ecfc48a09540fb326f1068"],"technology":"@vue/server-renderer","known_exclusions":[],"conditions_summary":"## Description\n\n`@vue/server-renderer` was investigated specifically because it's the one place in Vue where template rendering output becomes a real HTTP response body -- a genuine server-side trust boundary, unlike client-side rendering which only ever affects the same browser session that's already running the app's own JS.\n\n`ssrRenderAttrs()` (in `packages/server-renderer/src/helpers/ssrRenderAttrs.ts`) is what compiled SSR output calls for something like ``. It loops over the object's own keys and, for each one, renders it as an HTML attribute:\n\n```ts\nexport function ssrRenderDynamicAttr(\n  key: string,\n  value: unknown,\n  tag?: string,\n): string {\n  if (!isRenderableAttrValue(value)) {\n    return ``\n  }\n  const attrKey = ...\n  if (isBooleanAttr(attrKey) || ...) {\n    return includeBooleanAttr(value) ? ` ${attrKey}` : ``\n  } else if (isSSRSafeAttrName(attrKey)) {\n    return value === '' ? ` ${attrKey}` : ` ${attrKey}=\"${escapeHtml(value)}\"`\n  } else {\n    console.warn(`[@vue/server-renderer] Skipped rendering unsafe attribute name: ${attrKey}`)\n    return ``\n  }\n}\n```\n\nThe value always goes through `escapeHtml()` -- that part is correctly and consisten","public_affected_ranges":[">= 3.6.0-rc.0, < 3.6.0-rc.6"]}],"null_published_at":"2026-11-01T07:29:12.929Z","source_updated_at":"2026-10-05T22:50:56.000Z","source_disclosed_at":"2026-10-05T22:50:55.000Z","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":"2026-11-01T01:39:10.636Z"}],"next_cursor":null,"snapshot_revision":"42594"}