{"metadata": {"vulnerability": "cve-2025-46734", "count": 17, "kinds": {"milestone": 5, "sighting": 3, "kev": 0, "other": 9}}, "data": [{"timestamp": "2025-04-28T20:56:09.085Z", "date_only": false, "value": "2025-04-28T20:56:09.085Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "cve-2025-46734", "field": "cveMetadata.dateReserved"}, {"timestamp": "2025-05-05T19:52:59.521Z", "date_only": false, "value": "2025-05-05T19:52:59.521Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2025-46734", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2025-05-05T19:52:59.521Z", "date_only": false, "value": "2025-05-05T19:52:59.521Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / GitHub_M", "record": "cve-2025-46734", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2025-05-05T20:15:00Z", "date_only": false, "value": "2025-05-05T20:15:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2025-46734", "record": "UBUNTU-CVE-2025-46734", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2025-05-05T20:15:21Z", "date_only": false, "value": "2025-05-05T20:15:21Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-3527-QV2Q-PFVX", "record": "GHSA-3527-QV2Q-PFVX", "field": "database_specific.nvd_published_at", "linked_record": true}, {"timestamp": "2025-05-05T20:15:21.613Z", "date_only": false, "value": "2025-05-05T20:15:21.613", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2025-46734", "record": "FKIE_CVE-2025-46734", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2025-05-05T20:20:16Z", "date_only": false, "value": "2025-05-05T20:20:16.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/14988", "record": "CVE-2025-46734", "field": "creation_timestamp", "uuid": "f054282b-5f01-41e8-b388-c6064159ae8e", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-46734\n\ud83d\udd25 CVSS Score: 6.4 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N)\n\ud83d\udd39 Description: league/commonmark is a PHP Markdown parser. A cross-site scripting (XSS) vulnerability in the Attributes extension of the league/commonmark library (versions 1.5.0 through 2.6.x) allows remote attackers to insert malicious JavaScript calls into HTML. The league/commonmark library provides configuration options such as `html_input: 'strip'` and `allow_unsafe_links: false` to mitigate cross-site scripting (XSS) attacks by stripping raw HTML and disallowing unsafe links. However, when the Attributes Extension is enabled, it introduces a way for users to inject arbitrary HTML attributes into elements via Markdown syntax using curly braces. Version 2.7.0 contains three changes to prevent this XSS attack vector: All attributes starting with `on` are considered unsafe and blocked by default; support for an explicit allowlist of allowed HTML attributes; and manually-added `href` and `src` attributes now respect the existing `allow_unsafe_links` configuration option. If upgrading is not feasible, please consider disabling the `AttributesExtension` for untrusted users and/or filtering the rendered HTML through a library like HTMLPurifier.\n\ud83d\udccf Published: 2025-05-05T19:52:59.521Z\n\ud83d\udccf Modified: 2025-05-05T19:52:59.521Z\n\ud83d\udd17 References:\n1. https://github.com/thephpleague/commonmark/security/advisories/GHSA-3527-qv2q-pfvx\n2. https://github.com/thephpleague/commonmark/commit/f0d626cf05ad3e99e6db26ebcb9091b6cd1cd89b", "url": "https://t.me/DarkWebInformer_CVEAlerts/14988", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, {"timestamp": "2025-05-05T20:40:36Z", "date_only": false, "value": "2025-05-05T20:40:36Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-3527-QV2Q-PFVX", "record": "GHSA-3527-QV2Q-PFVX", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2025-05-06T00:15:15Z", "date_only": false, "value": "2025-05-06T00:15:15.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cvedetector/24505", "record": "CVE-2025-46734", "field": "creation_timestamp", "uuid": "f74d1c16-87c4-4cdc-82e7-3c0b2f936ea8", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2025-46734 - League Commonmark Attributes Extension Cross-Site Scripting Vulnerability\", \n  \"Content\": \"CVE ID : CVE-2025-46734 \nPublished : May 5, 2025, 8:15 p.m. | 1\u00a0hour, 25\u00a0minutes ago \nDescription : league/commonmark is a PHP Markdown parser. A cross-site scripting (XSS) vulnerability in the Attributes extension of the league/commonmark library (versions 1.5.0 through 2.6.x) allows remote attackers to insert malicious JavaScript calls into HTML. The league/commonmark library provides configuration options such as `html_input: 'strip'` and `allow_unsafe_links: false` to mitigate cross-site scripting (XSS) attacks by stripping raw HTML and disallowing unsafe links. However, when the Attributes Extension is enabled, it introduces a way for users to inject arbitrary HTML attributes into elements via Markdown syntax using curly braces. Version 2.7.0 contains three changes to prevent this XSS attack vector: All attributes starting with `on` are considered unsafe and blocked by default; support for an explicit allowlist of allowed HTML attributes; and manually-added `href` and `src` attributes now respect the existing `allow_unsafe_links` configuration option. If upgrading is not feasible, please consider disabling the `AttributesExtension` for untrusted users and/or filtering the rendered HTML through a library like HTMLPurifier. \nSeverity: 6.4 | MEDIUM \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"05 May 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "url": "https://t.me/cvedetector/24505"}, {"timestamp": "2025-05-06T00:21:52.235Z", "date_only": false, "value": "2025-05-06T00:21:52.235390Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3lohmh7r5qv2t", "record": "CVE-2025-46734", "field": "creation_timestamp", "uuid": "c18a3e8b-9c36-4478-a1f6-85abc00850e5", "url": "https://bsky.app/profile/cve.skyfleet.blue/post/3lohmh7r5qv2t"}, {"timestamp": "2025-05-06T13:46:48.899Z", "date_only": false, "value": "2025-05-06T13:46:48.899340Z", "kind": "other", "label": "Recorded", "source": "cvelistv5 / CISA-ADP", "record": "cve-2025-46734", "field": "containers.adp.0.metrics.0.other.content.timestamp"}, {"timestamp": "2025-05-06T13:46:48.899Z", "date_only": false, "value": "2025-05-06T13:46:48.899340Z", "kind": "other", "label": "Recorded", "source": "fkie_nvd \u00b7 FKIE_CVE-2025-46734", "record": "FKIE_CVE-2025-46734", "field": "metrics.ssvcV203.0.ssvcData.timestamp", "linked_record": true}, {"timestamp": "2025-05-06T13:47:03.821Z", "date_only": false, "value": "2025-05-06T13:47:03.821Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "cve-2025-46734", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2025-05-06T13:47:03.821Z", "date_only": false, "value": "2025-05-06T13:47:03.821Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CISA-ADP", "record": "cve-2025-46734", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2026-03-20T21:27:09Z", "date_only": false, "value": "2026-03-20T21:27:09Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-3527-QV2Q-PFVX", "record": "GHSA-3527-QV2Q-PFVX", "field": "modified", "linked_record": true}, {"timestamp": "2026-04-27T14:25:50Z", "date_only": false, "value": "2026-04-27T14:25:50Z", "kind": "other", "label": "Updated", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2025-46734", "record": "UBUNTU-CVE-2025-46734", "field": "modified", "linked_record": true}, {"timestamp": "2026-06-17T09:26:53.917Z", "date_only": false, "value": "2026-06-17T09:26:53.917", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2025-46734", "record": "FKIE_CVE-2025-46734", "field": "lastModified", "linked_record": true}], "metrics": {"as_of": "2026-11-11T03:31:42.902Z", "anchors": {"origin": {"timestamp": "2025-05-05T19:52:59.521Z", "date_only": false, "value": "2025-05-05T19:52:59.521Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2025-46734", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "discovery": null, "report": null, "acknowledgement": null, "disclosure": {"timestamp": "2025-05-05T19:52:59.521Z", "date_only": false, "value": "2025-05-05T19:52:59.521Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2025-46734", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "exploit_publication": {"timestamp": "2025-05-05T20:20:16Z", "date_only": false, "value": "2025-05-05T20:20:16.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/14988", "record": "CVE-2025-46734", "field": "creation_timestamp", "uuid": "f054282b-5f01-41e8-b388-c6064159ae8e", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-46734\n\ud83d\udd25 CVSS Score: 6.4 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N)\n\ud83d\udd39 Description: league/commonmark is a PHP Markdown parser. A cross-site scripting (XSS) vulnerability in the Attributes extension of the league/commonmark library (versions 1.5.0 through 2.6.x) allows remote attackers to insert malicious JavaScript calls into HTML. The league/commonmark library provides configuration options such as `html_input: 'strip'` and `allow_unsafe_links: false` to mitigate cross-site scripting (XSS) attacks by stripping raw HTML and disallowing unsafe links. However, when the Attributes Extension is enabled, it introduces a way for users to inject arbitrary HTML attributes into elements via Markdown syntax using curly braces. Version 2.7.0 contains three changes to prevent this XSS attack vector: All attributes starting with `on` are considered unsafe and blocked by default; support for an explicit allowlist of allowed HTML attributes; and manually-added `href` and `src` attributes now respect the existing `allow_unsafe_links` configuration option. If upgrading is not feasible, please consider disabling the `AttributesExtension` for untrusted users and/or filtering the rendered HTML through a library like HTMLPurifier.\n\ud83d\udccf Published: 2025-05-05T19:52:59.521Z\n\ud83d\udccf Modified: 2025-05-05T19:52:59.521Z\n\ud83d\udd17 References:\n1. https://github.com/thephpleague/commonmark/security/advisories/GHSA-3527-qv2q-pfvx\n2. https://github.com/thephpleague/commonmark/commit/f0d626cf05ad3e99e6db26ebcb9091b6cd1cd89b", "url": "https://t.me/DarkWebInformer_CVEAlerts/14988", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "exploitation": null, "patch": null}, "vendor_response_time": {"available": false, "missing": ["start", "end"]}, "time_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit_publication": {"available": true, "seconds": 1636.479, "hours": 0.4545775, "days": 0.018940729166666666, "min_seconds": 1636.479, "max_seconds": 1636.479, "approximate": false, "ongoing": false, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2025-05-05T19:52:59.521Z", "date_only": false, "value": "2025-05-05T19:52:59.521Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2025-46734", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2025-05-05T20:20:16Z", "date_only": false, "value": "2025-05-05T20:20:16.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/14988", "record": "CVE-2025-46734", "field": "creation_timestamp", "uuid": "f054282b-5f01-41e8-b388-c6064159ae8e", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-46734\n\ud83d\udd25 CVSS Score: 6.4 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N)\n\ud83d\udd39 Description: league/commonmark is a PHP Markdown parser. A cross-site scripting (XSS) vulnerability in the Attributes extension of the league/commonmark library (versions 1.5.0 through 2.6.x) allows remote attackers to insert malicious JavaScript calls into HTML. The league/commonmark library provides configuration options such as `html_input: 'strip'` and `allow_unsafe_links: false` to mitigate cross-site scripting (XSS) attacks by stripping raw HTML and disallowing unsafe links. However, when the Attributes Extension is enabled, it introduces a way for users to inject arbitrary HTML attributes into elements via Markdown syntax using curly braces. Version 2.7.0 contains three changes to prevent this XSS attack vector: All attributes starting with `on` are considered unsafe and blocked by default; support for an explicit allowlist of allowed HTML attributes; and manually-added `href` and `src` attributes now respect the existing `allow_unsafe_links` configuration option. If upgrading is not feasible, please consider disabling the `AttributesExtension` for untrusted users and/or filtering the rendered HTML through a library like HTMLPurifier.\n\ud83d\udccf Published: 2025-05-05T19:52:59.521Z\n\ud83d\udccf Modified: 2025-05-05T19:52:59.521Z\n\ud83d\udd17 References:\n1. https://github.com/thephpleague/commonmark/security/advisories/GHSA-3527-qv2q-pfvx\n2. https://github.com/thephpleague/commonmark/commit/f0d626cf05ad3e99e6db26ebcb9091b6cd1cd89b", "url": "https://t.me/DarkWebInformer_CVEAlerts/14988", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}}, "time_to_patch": {"available": false, "missing": ["start", "end"]}, "total_time_to_patch": {"available": false, "missing": ["start", "end"]}, "disclosure_to_patch": {"available": false, "missing": ["end"]}, "time_unpatched": {"available": true, "seconds": 47893123.381459, "hours": 13303.64538373861, "days": 554.3185576557754, "min_seconds": 47893123.381459, "max_seconds": 47893123.381459, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2025-05-05T19:52:59.521Z", "date_only": false, "value": "2025-05-05T19:52:59.521Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2025-46734", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2026-11-11T03:31:42.902Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}, "exploitation_to_patch": {"available": false, "missing": ["start"]}, "exploit_publication_to_patch": {"available": true, "seconds": 47891486.902459, "hours": 13303.190806238612, "days": 554.2996169266088, "min_seconds": 47891486.902459, "max_seconds": 47891486.902459, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2025-05-05T20:20:16Z", "date_only": false, "value": "2025-05-05T20:20:16.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/14988", "record": "CVE-2025-46734", "field": "creation_timestamp", "uuid": "f054282b-5f01-41e8-b388-c6064159ae8e", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-46734\n\ud83d\udd25 CVSS Score: 6.4 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N)\n\ud83d\udd39 Description: league/commonmark is a PHP Markdown parser. A cross-site scripting (XSS) vulnerability in the Attributes extension of the league/commonmark library (versions 1.5.0 through 2.6.x) allows remote attackers to insert malicious JavaScript calls into HTML. The league/commonmark library provides configuration options such as `html_input: 'strip'` and `allow_unsafe_links: false` to mitigate cross-site scripting (XSS) attacks by stripping raw HTML and disallowing unsafe links. However, when the Attributes Extension is enabled, it introduces a way for users to inject arbitrary HTML attributes into elements via Markdown syntax using curly braces. Version 2.7.0 contains three changes to prevent this XSS attack vector: All attributes starting with `on` are considered unsafe and blocked by default; support for an explicit allowlist of allowed HTML attributes; and manually-added `href` and `src` attributes now respect the existing `allow_unsafe_links` configuration option. If upgrading is not feasible, please consider disabling the `AttributesExtension` for untrusted users and/or filtering the rendered HTML through a library like HTMLPurifier.\n\ud83d\udccf Published: 2025-05-05T19:52:59.521Z\n\ud83d\udccf Modified: 2025-05-05T19:52:59.521Z\n\ud83d\udd17 References:\n1. https://github.com/thephpleague/commonmark/security/advisories/GHSA-3527-qv2q-pfvx\n2. https://github.com/thephpleague/commonmark/commit/f0d626cf05ad3e99e6db26ebcb9091b6cd1cd89b", "url": "https://t.me/DarkWebInformer_CVEAlerts/14988", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "end": {"timestamp": "2026-11-11T03:31:42.902Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}}}