{"items":[{"id":"NVI-00006020","kind":"vulnerability","title":"NukeViet: Multiple Anti-XSS Filter Bypasses Leading to Stored XSS in News Module","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-465g-4q99-5x86","CVE-2026-54064"],"plain_summary":"GitHub lists this reviewed advisory for nukeviet/nukeviet. 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-6b3a4edd345dae3eb0a72f47e77835a8"],"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},{"summary":"The original advisory lists fixed boundaries 4.6.00 for nukeviet/nukeviet. Confirm the publisher’s latest guidance.","source_ids":["sr-a495eecacf5e38e25fc95fb30f90ddcc"],"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":[{"kind":"CVSS","as_of":"2026-07-13T17:54:10.000Z","value":"8.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6b3a4edd345dae3eb0a72f47e77835a8"}],"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-6b3a4edd345dae3eb0a72f47e77835a8","url":"https://github.com/advisories/GHSA-465g-4q99-5x86","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-465g-4q99-5x86","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T23:34:12.429Z"},{"id":"sr-a495eecacf5e38e25fc95fb30f90ddcc","url":"https://github.com/advisories/GHSA-465g-4q99-5x86","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-465g-4q99-5x86","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.665Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6b3a4edd345dae3eb0a72f47e77835a8"],"technology":"nukeviet/nukeviet","known_exclusions":[],"conditions_summary":"## Summary\n\nTwo filter-bypass techniques in `NukeViet\\Core\\Request::filterAttr()` and `NukeViet\\Core\\Request::unhtmlentities()` allow a low-privileged user (any account with news post permission) to store and serve arbitrary JavaScript to any visitor of the affected page.\n\n## Affected Component\n\n`vendor/vinades/nukeviet/Core/Request.php` — class `NukeViet\\Core\\Request`\n\n## Vulnerability Details\n\n### Bypass 1 — Form Feed character prefix (`\\x0C`) before event handler name\n\nThe `filterAttr()` method blocks event-handler attributes using:\n```php\npreg_match('/^on/i', $attrSubSet[0])\n```\nPHP's `trim()` does **not** strip the ASCII Form Feed character (`\\x0C`, U+000C). An attacker can prefix the attribute name with `\\x0C` so that `\\x0Conerror` does not match `/^on/`. The HTML5 browser parser treats `\\x0C` as a valid whitespace separator and correctly activates the event handler.\n\n**Proof-of-concept payload (URL-encoded POST body field `bodyhtml`):**\n```\n\n```\n\n### Bypass 2 — Decimal HTML entity tab (`&#9;`) inside `javascript:` URI\n\n`unhtmlentities()` strips the hex-encoded tab `&#x09;` via `str_ireplace`, but did **not** strip its decimal equivalent","public_affected_ranges":["< 4.6.00"]},{"certainty":"source_listed","source_ids":["sr-a495eecacf5e38e25fc95fb30f90ddcc"],"technology":"nukeviet/nukeviet","known_exclusions":[],"conditions_summary":"## Summary\n\nTwo filter-bypass techniques in `NukeViet\\Core\\Request::filterAttr()` and `NukeViet\\Core\\Request::unhtmlentities()` allow a low-privileged user (any account with news post permission) to store and serve arbitrary JavaScript to any visitor of the affected page.\n\n## Affected Component\n\n`vendor/vinades/nukeviet/Core/Request.php` — class `NukeViet\\Core\\Request`\n\n## Vulnerability Details\n\n### Bypass 1 — Form Feed character prefix (`\\x0C`) before event handler name\n\nThe `filterAttr()` method blocks event-handler attributes using:\n```php\npreg_match('/^on/i', $attrSubSet[0])\n```\nPHP's `trim()` does **not** strip the ASCII Form Feed character (`\\x0C`, U+000C). An attacker can prefix the attribute name with `\\x0C` so that `\\x0Conerror` does not match `/^on/`. The HTML5 browser parser treats `\\x0C` as a valid whitespace separator and correctly activates the event handler.\n\n**Proof-of-concept payload (URL-encoded POST body field `bodyhtml`):**\n```\n\n```\n\n### Bypass 2 — Decimal HTML entity tab (`&#9;`) inside `javascript:` URI\n\n`unhtmlentities()` strips the hex-encoded tab `&#x09;` via `str_ireplace`, but did **not** strip its decimal equivalent","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.6.00"]}],"null_published_at":"2026-11-05T19:10:21.470Z","source_updated_at":"2026-07-13T17:54:10.000Z","source_disclosed_at":"2026-07-13T17:54:08.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.665Z"},{"id":"NVI-00006020","kind":"vulnerability","title":"NukeViet: Multiple Anti-XSS Filter Bypasses Leading to Stored XSS in News Module","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-465g-4q99-5x86","CVE-2026-54064"],"plain_summary":"OSV carries this publisher advisory for nukeviet/nukeviet. 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 4.6.00 for nukeviet/nukeviet. Confirm the publisher’s latest guidance.","source_ids":["sr-a495eecacf5e38e25fc95fb30f90ddcc"],"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-a495eecacf5e38e25fc95fb30f90ddcc","url":"https://github.com/advisories/GHSA-465g-4q99-5x86","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-465g-4q99-5x86","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.665Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a495eecacf5e38e25fc95fb30f90ddcc"],"technology":"nukeviet/nukeviet","known_exclusions":[],"conditions_summary":"## Summary\n\nTwo filter-bypass techniques in `NukeViet\\Core\\Request::filterAttr()` and `NukeViet\\Core\\Request::unhtmlentities()` allow a low-privileged user (any account with news post permission) to store and serve arbitrary JavaScript to any visitor of the affected page.\n\n## Affected Component\n\n`vendor/vinades/nukeviet/Core/Request.php` — class `NukeViet\\Core\\Request`\n\n## Vulnerability Details\n\n### Bypass 1 — Form Feed character prefix (`\\x0C`) before event handler name\n\nThe `filterAttr()` method blocks event-handler attributes using:\n```php\npreg_match('/^on/i', $attrSubSet[0])\n```\nPHP's `trim()` does **not** strip the ASCII Form Feed character (`\\x0C`, U+000C). An attacker can prefix the attribute name with `\\x0C` so that `\\x0Conerror` does not match `/^on/`. The HTML5 browser parser treats `\\x0C` as a valid whitespace separator and correctly activates the event handler.\n\n**Proof-of-concept payload (URL-encoded POST body field `bodyhtml`):**\n```\n\n```\n\n### Bypass 2 — Decimal HTML entity tab (`&#9;`) inside `javascript:` URI\n\n`unhtmlentities()` strips the hex-encoded tab `&#x09;` via `str_ireplace`, but did **not** strip its decimal equivalent","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.6.00"]}],"null_published_at":"2026-10-31T22:13:05.856Z","source_updated_at":"2026-07-13T18:11:45.647Z","source_disclosed_at":"2026-07-13T17:54:08.000Z","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":"2026-10-31T21:41:49.665Z"}],"next_cursor":null,"snapshot_revision":"42594"}