{"id":"CVE-2020-15156","aliases":["EUVD-2020-0586","GHSA-43m5-c88r-cjvv"],"status":"published","title":"XSS due to lack of CSRF validation for replying/publishing","description":"In nodebb-plugin-blog-comments before version 0.7.0, a logged in user is vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum. This is due to lack of CSRF validation.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00612,"percentile":0.49765,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352"],"published":"2020-08-26T18:55:38Z","modified":"2026-10-20T10:49:44Z","fixes":[{"ecosystem":"npm","package":"nodebb-plugin-blog-comments","fixed_in":["0.7.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"nodebb-plugin-blog-comments","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.0"}]}]},{"source":"osv","ecosystem":"npm","package":"nodebb-plugin-blog-comments","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.7.0"}]}]}],"products":[{"vendor":"nodebb","product":"blog_comments"},{"vendor":"psychobunny","product":"nodebb-plugin-blog-comments"}],"references":[{"url":"https://github.com/psychobunny/nodebb-plugin-blog-comments/security/advisories/GHSA-43m5-c88r-cjvv","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://www.npmjs.com/package/nodebb-plugin-blog-comments","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15156","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-43m5-c88r-cjvv"}],"sources":{"cve":[{"id":"CVE-2020-15156","title":"XSS due to lack of CSRF validation for replying/publishing","description":"In nodebb-plugin-blog-comments before version 0.7.0, a logged in user is vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum. This is due to lack of CSRF validation.","status":"published","published":"2020-08-26T19:10:14Z","modified":"2024-08-04T13:08:22.293Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2020-0586","description":"In nodebb-plugin-blog-comments before version 0.7.0, a logged in user is vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum. This is due to lack of CSRF validation.","status":"published","published":"2020-08-26T19:10:14Z","modified":"2024-08-04T13:08:22Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T03:07:32.55679Z"}],"ghsa":[{"id":"GHSA-43m5-c88r-cjvv","title":"XSS due to lack of CSRF validation for replying/publishing","description":"### Impact\nDue to lack of CSRF validation, a logged in user is potentially vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum.\n\n### Patches\nUpgrade to the latest version v0.7.0\n\n### Workarounds\nYou can cherry-pick the following commit: [https://github.com/psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618](https://github.com/psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618)\n\n### References\nVisit https://community.nodebb.org if you have any questions about this issue or on how to patch / upgrade your instance.","status":"published","published":"2020-08-26T18:55:38Z","modified":"2023-01-09T05:03:48Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:36:06.317379Z"}],"nvd":[{"id":"CVE-2020-15156","description":"In nodebb-plugin-blog-comments before version 0.7.0, a logged in user is vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum. This is due to lack of CSRF validation.","status":"published","published":"2020-08-26T19:15:14.377Z","modified":"2026-06-17T02:56:09.727Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:06:13.600965Z"}],"osv":[{"id":"CVE-2020-15156","description":"In nodebb-plugin-blog-comments before version 0.7.0, a logged in user is vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum. This is due to lack of CSRF validation.","status":"published","published":"2020-08-26T19:15:14.377Z","modified":"2026-10-20T10:49:44.627432862Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"GHSA-43m5-c88r-cjvv","title":"XSS due to lack of CSRF validation for replying/publishing","description":"### Impact\nDue to lack of CSRF validation, a logged in user is potentially vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum.\n\n### Patches\nUpgrade to the latest version v0.7.0\n\n### Workarounds\nYou can cherry-pick the following commit: [https://github.com/psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618](https://github.com/psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618)\n\n### References\nVisit https://community.nodebb.org if you have any questions about this issue or on how to patch / upgrade your instance.","status":"published","published":"2020-08-26T18:55:38Z","modified":"2026-07-08T06:00:33.812340417Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:46:36.434231Z"}]}}