{"items":[{"id":"NVI-00013782","kind":"vulnerability","title":"Sakai Conversations has a Stored XSS Issue","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-w2x5-gv52-9ccv","CVE-2026-54049"],"plain_summary":"GitHub lists this reviewed advisory for org.sakaiproject.conversations:sakai-conversations-impl, org.sakaiproject.kernel:sakai-kernel-impl, org.sakaiproject.rubrics:rubrics-impl. 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-0a1a51bda24e1196b65790184d1ee8a3"],"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":"2026-08-24T19:37:55.000Z","value":"8.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-02fbba1f0d67c05ef113d16fcae7511d"},{"kind":"CVSS","as_of":"2026-10-06T03:17:03.230Z","value":"8.7 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-224fc0e0ba50c24eab158b1e3c0378cc"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.323%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.25441. Missing scores are unknown.","source_id":"sr-0a1a51bda24e1196b65790184d1ee8a3"}],"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-02fbba1f0d67c05ef113d16fcae7511d","url":"https://github.com/advisories/GHSA-w2x5-gv52-9ccv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-w2x5-gv52-9ccv","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:46.713Z"},{"id":"sr-224fc0e0ba50c24eab158b1e3c0378cc","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54049","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-54049","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T01:48:12.360Z"},{"id":"sr-0a1a51bda24e1196b65790184d1ee8a3","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-2026-54049","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.331Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-02fbba1f0d67c05ef113d16fcae7511d"],"technology":"org.sakaiproject.conversations:sakai-conversations-impl","known_exclusions":[],"conditions_summary":"### Summary\n\nThe Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's `unsafeHTML()` directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post.\n\n\n### Description\n\nThe Conversations REST API endpoint `POST /api/sites/{siteId}/topics` accepts a `message` field in the JSON request body. The service layer (`ConversationsServiceImpl`) stores the message directly to the database (`conv_topics.MESSAGE`) without invoking `FormattedText.processFormattedText()` or any equivalent HTML sanitizer.\n\nThe same issue affects post replies via `POST /api/sites/{siteId}/topics/{topicId}/posts` and comments stored in `conv_comments`.\n\nOn the frontend, `SakaiTopic.js`, `SakaiPost.js`, and `SakaiComment.js` all render the `message` field using LitElement's `unsafeHTML()` directive:\n\n- `SakaiPost.js` lines 429, 432: `${unsafeHTML(this.post.message)}`\n- `SakaiTopic.js` line 679: `${unsafeHTML(this.topic.message)}`\n- `SakaiCommen","public_affected_ranges":[">= 23.0, <= 23.3"]},{"certainty":"source_listed","source_ids":["sr-02fbba1f0d67c05ef113d16fcae7511d"],"technology":"org.sakaiproject.kernel:sakai-kernel-impl","known_exclusions":[],"conditions_summary":"### Summary\n\nThe Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's `unsafeHTML()` directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post.\n\n\n### Description\n\nThe Conversations REST API endpoint `POST /api/sites/{siteId}/topics` accepts a `message` field in the JSON request body. The service layer (`ConversationsServiceImpl`) stores the message directly to the database (`conv_topics.MESSAGE`) without invoking `FormattedText.processFormattedText()` or any equivalent HTML sanitizer.\n\nThe same issue affects post replies via `POST /api/sites/{siteId}/topics/{topicId}/posts` and comments stored in `conv_comments`.\n\nOn the frontend, `SakaiTopic.js`, `SakaiPost.js`, and `SakaiComment.js` all render the `message` field using LitElement's `unsafeHTML()` directive:\n\n- `SakaiPost.js` lines 429, 432: `${unsafeHTML(this.post.message)}`\n- `SakaiTopic.js` line 679: `${unsafeHTML(this.topic.message)}`\n- `SakaiCommen","public_affected_ranges":[">= 23.0, <= 23.3"]},{"certainty":"source_listed","source_ids":["sr-02fbba1f0d67c05ef113d16fcae7511d"],"technology":"org.sakaiproject.rubrics:rubrics-impl","known_exclusions":[],"conditions_summary":"### Summary\n\nThe Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's `unsafeHTML()` directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post.\n\n\n### Description\n\nThe Conversations REST API endpoint `POST /api/sites/{siteId}/topics` accepts a `message` field in the JSON request body. The service layer (`ConversationsServiceImpl`) stores the message directly to the database (`conv_topics.MESSAGE`) without invoking `FormattedText.processFormattedText()` or any equivalent HTML sanitizer.\n\nThe same issue affects post replies via `POST /api/sites/{siteId}/topics/{topicId}/posts` and comments stored in `conv_comments`.\n\nOn the frontend, `SakaiTopic.js`, `SakaiPost.js`, and `SakaiComment.js` all render the `message` field using LitElement's `unsafeHTML()` directive:\n\n- `SakaiPost.js` lines 429, 432: `${unsafeHTML(this.post.message)}`\n- `SakaiTopic.js` line 679: `${unsafeHTML(this.topic.message)}`\n- `SakaiCommen","public_affected_ranges":[">= 23.0, <= 23.3"]}],"null_published_at":"2026-11-08T19:53:44.039Z","source_updated_at":"2026-08-24T19:37:55.000Z","source_disclosed_at":"2026-08-24T19:37:53.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T09:56:46.713Z"},{"id":"NVI-00013782","kind":"vulnerability","title":"Sakai Conversations has a Stored XSS Issue","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-w2x5-gv52-9ccv","CVE-2026-54049"],"plain_summary":"GitHub lists this reviewed advisory for org.sakaiproject.conversations:sakai-conversations-impl, org.sakaiproject.kernel:sakai-kernel-impl, org.sakaiproject.rubrics:rubrics-impl. 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-0a1a51bda24e1196b65790184d1ee8a3"],"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":"2026-08-24T19:37:55.000Z","value":"8.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-02fbba1f0d67c05ef113d16fcae7511d"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.323%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.25441. Missing scores are unknown.","source_id":"sr-0a1a51bda24e1196b65790184d1ee8a3"}],"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-02fbba1f0d67c05ef113d16fcae7511d","url":"https://github.com/advisories/GHSA-w2x5-gv52-9ccv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-w2x5-gv52-9ccv","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:46.713Z"},{"id":"sr-0a1a51bda24e1196b65790184d1ee8a3","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-2026-54049","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.331Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-02fbba1f0d67c05ef113d16fcae7511d"],"technology":"org.sakaiproject.conversations:sakai-conversations-impl","known_exclusions":[],"conditions_summary":"### Summary\n\nThe Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's `unsafeHTML()` directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post.\n\n\n### Description\n\nThe Conversations REST API endpoint `POST /api/sites/{siteId}/topics` accepts a `message` field in the JSON request body. The service layer (`ConversationsServiceImpl`) stores the message directly to the database (`conv_topics.MESSAGE`) without invoking `FormattedText.processFormattedText()` or any equivalent HTML sanitizer.\n\nThe same issue affects post replies via `POST /api/sites/{siteId}/topics/{topicId}/posts` and comments stored in `conv_comments`.\n\nOn the frontend, `SakaiTopic.js`, `SakaiPost.js`, and `SakaiComment.js` all render the `message` field using LitElement's `unsafeHTML()` directive:\n\n- `SakaiPost.js` lines 429, 432: `${unsafeHTML(this.post.message)}`\n- `SakaiTopic.js` line 679: `${unsafeHTML(this.topic.message)}`\n- `SakaiCommen","public_affected_ranges":[">= 23.0, <= 23.3"]},{"certainty":"source_listed","source_ids":["sr-02fbba1f0d67c05ef113d16fcae7511d"],"technology":"org.sakaiproject.kernel:sakai-kernel-impl","known_exclusions":[],"conditions_summary":"### Summary\n\nThe Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's `unsafeHTML()` directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post.\n\n\n### Description\n\nThe Conversations REST API endpoint `POST /api/sites/{siteId}/topics` accepts a `message` field in the JSON request body. The service layer (`ConversationsServiceImpl`) stores the message directly to the database (`conv_topics.MESSAGE`) without invoking `FormattedText.processFormattedText()` or any equivalent HTML sanitizer.\n\nThe same issue affects post replies via `POST /api/sites/{siteId}/topics/{topicId}/posts` and comments stored in `conv_comments`.\n\nOn the frontend, `SakaiTopic.js`, `SakaiPost.js`, and `SakaiComment.js` all render the `message` field using LitElement's `unsafeHTML()` directive:\n\n- `SakaiPost.js` lines 429, 432: `${unsafeHTML(this.post.message)}`\n- `SakaiTopic.js` line 679: `${unsafeHTML(this.topic.message)}`\n- `SakaiCommen","public_affected_ranges":[">= 23.0, <= 23.3"]},{"certainty":"source_listed","source_ids":["sr-02fbba1f0d67c05ef113d16fcae7511d"],"technology":"org.sakaiproject.rubrics:rubrics-impl","known_exclusions":[],"conditions_summary":"### Summary\n\nThe Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's `unsafeHTML()` directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post.\n\n\n### Description\n\nThe Conversations REST API endpoint `POST /api/sites/{siteId}/topics` accepts a `message` field in the JSON request body. The service layer (`ConversationsServiceImpl`) stores the message directly to the database (`conv_topics.MESSAGE`) without invoking `FormattedText.processFormattedText()` or any equivalent HTML sanitizer.\n\nThe same issue affects post replies via `POST /api/sites/{siteId}/topics/{topicId}/posts` and comments stored in `conv_comments`.\n\nOn the frontend, `SakaiTopic.js`, `SakaiPost.js`, and `SakaiComment.js` all render the `message` field using LitElement's `unsafeHTML()` directive:\n\n- `SakaiPost.js` lines 429, 432: `${unsafeHTML(this.post.message)}`\n- `SakaiTopic.js` line 679: `${unsafeHTML(this.topic.message)}`\n- `SakaiCommen","public_affected_ranges":[">= 23.0, <= 23.3"]}],"null_published_at":"2026-11-07T14:01:58.746Z","source_updated_at":"2026-08-24T19:37:55.000Z","source_disclosed_at":"2026-08-24T19:37:53.000Z","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":"2026-11-02T09:56:46.713Z"},{"id":"NVI-00013782","kind":"vulnerability","title":"Sakai Conversations has a Stored XSS Issue","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-w2x5-gv52-9ccv","CVE-2026-54049"],"plain_summary":"GitHub lists this reviewed advisory for org.sakaiproject.conversations:sakai-conversations-impl, org.sakaiproject.kernel:sakai-kernel-impl, org.sakaiproject.rubrics:rubrics-impl. 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-02fbba1f0d67c05ef113d16fcae7511d"],"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":"2026-08-24T19:37:55.000Z","value":"8.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-02fbba1f0d67c05ef113d16fcae7511d"}],"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-02fbba1f0d67c05ef113d16fcae7511d","url":"https://github.com/advisories/GHSA-w2x5-gv52-9ccv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-w2x5-gv52-9ccv","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:46.713Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-02fbba1f0d67c05ef113d16fcae7511d"],"technology":"org.sakaiproject.conversations:sakai-conversations-impl","known_exclusions":[],"conditions_summary":"### Summary\n\nThe Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's `unsafeHTML()` directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post.\n\n\n### Description\n\nThe Conversations REST API endpoint `POST /api/sites/{siteId}/topics` accepts a `message` field in the JSON request body. The service layer (`ConversationsServiceImpl`) stores the message directly to the database (`conv_topics.MESSAGE`) without invoking `FormattedText.processFormattedText()` or any equivalent HTML sanitizer.\n\nThe same issue affects post replies via `POST /api/sites/{siteId}/topics/{topicId}/posts` and comments stored in `conv_comments`.\n\nOn the frontend, `SakaiTopic.js`, `SakaiPost.js`, and `SakaiComment.js` all render the `message` field using LitElement's `unsafeHTML()` directive:\n\n- `SakaiPost.js` lines 429, 432: `${unsafeHTML(this.post.message)}`\n- `SakaiTopic.js` line 679: `${unsafeHTML(this.topic.message)}`\n- `SakaiCommen","public_affected_ranges":[">= 23.0, <= 23.3"]},{"certainty":"source_listed","source_ids":["sr-02fbba1f0d67c05ef113d16fcae7511d"],"technology":"org.sakaiproject.kernel:sakai-kernel-impl","known_exclusions":[],"conditions_summary":"### Summary\n\nThe Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's `unsafeHTML()` directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post.\n\n\n### Description\n\nThe Conversations REST API endpoint `POST /api/sites/{siteId}/topics` accepts a `message` field in the JSON request body. The service layer (`ConversationsServiceImpl`) stores the message directly to the database (`conv_topics.MESSAGE`) without invoking `FormattedText.processFormattedText()` or any equivalent HTML sanitizer.\n\nThe same issue affects post replies via `POST /api/sites/{siteId}/topics/{topicId}/posts` and comments stored in `conv_comments`.\n\nOn the frontend, `SakaiTopic.js`, `SakaiPost.js`, and `SakaiComment.js` all render the `message` field using LitElement's `unsafeHTML()` directive:\n\n- `SakaiPost.js` lines 429, 432: `${unsafeHTML(this.post.message)}`\n- `SakaiTopic.js` line 679: `${unsafeHTML(this.topic.message)}`\n- `SakaiCommen","public_affected_ranges":[">= 23.0, <= 23.3"]},{"certainty":"source_listed","source_ids":["sr-02fbba1f0d67c05ef113d16fcae7511d"],"technology":"org.sakaiproject.rubrics:rubrics-impl","known_exclusions":[],"conditions_summary":"### Summary\n\nThe Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's `unsafeHTML()` directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post.\n\n\n### Description\n\nThe Conversations REST API endpoint `POST /api/sites/{siteId}/topics` accepts a `message` field in the JSON request body. The service layer (`ConversationsServiceImpl`) stores the message directly to the database (`conv_topics.MESSAGE`) without invoking `FormattedText.processFormattedText()` or any equivalent HTML sanitizer.\n\nThe same issue affects post replies via `POST /api/sites/{siteId}/topics/{topicId}/posts` and comments stored in `conv_comments`.\n\nOn the frontend, `SakaiTopic.js`, `SakaiPost.js`, and `SakaiComment.js` all render the `message` field using LitElement's `unsafeHTML()` directive:\n\n- `SakaiPost.js` lines 429, 432: `${unsafeHTML(this.post.message)}`\n- `SakaiTopic.js` line 679: `${unsafeHTML(this.topic.message)}`\n- `SakaiCommen","public_affected_ranges":[">= 23.0, <= 23.3"]}],"null_published_at":"2026-11-02T10:00:37.148Z","source_updated_at":"2026-08-24T19:37:55.000Z","source_disclosed_at":"2026-08-24T19:37:53.000Z","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":"2026-11-02T09:56:46.713Z"}],"next_cursor":null,"snapshot_revision":"42594"}