{"id":"CVE-2023-29218","aliases":["EUVD-2023-32796","GHSA-rfh2-62gc-x7hw"],"status":"disputed","title":"The Twitter Recommendation Algorithm through ec83d01 allows attackers to cause a denial of...","description":"The Twitter Recommendation Algorithm through ec83d01 allows attackers to cause a denial of service (reduction of reputation score) by arranging for multiple Twitter accounts to coordinate negative signals regarding a target account, such as unfollowing, muting, blocking, and reporting, as exploited in the wild in March and April 2023. NOTE: Vendor states that allowing users to unfollow, mute, block, and report tweets and accounts and the impact of these negative engagements on Twitter’s ranking algorithm is a conscious design decision, rather than a security vulnerability.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01091,"percentile":0.65674,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2023-04-03T00:00:00Z","modified":"2026-06-17T05:49:38Z","products":[{"vendor":"twitter","product":"recommendation_algorithm"}],"references":[{"url":"https://github.com/twitter/the-algorithm/issues/1386","tags":["x_transferred","Issue Tracking","Third Party Advisory"]},{"url":"https://twitter.com/elonmusk/status/1642324821324230657","tags":["x_transferred","Third Party Advisory"]},{"url":"https://steventey.com/blog/twitter-algorithm","tags":["x_transferred","Product"]},{"url":"https://twitter.com/aakashg0/status/1641976913165180929","tags":["x_transferred","Third Party Advisory"]},{"url":"https://twitter.com/Kaptain_Kobold/status/1642379706925477888","tags":["x_transferred","Third Party Advisory"]},{"url":"https://github.com/twitter/the-algorithm/tree/ec83d01dcaebf369444d75ed04b3625a0a645eb9","tags":["x_transferred","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-29218"},{"url":"https://github.com/advisories/GHSA-rfh2-62gc-x7hw"}],"sources":{"cve":[{"id":"CVE-2023-29218","description":"The Twitter Recommendation Algorithm through ec83d01 allows attackers to cause a denial of service (reduction of reputation score) by arranging for multiple Twitter accounts to coordinate negative signals regarding a target account, such as unfollowing, muting, blocking, and reporting, as exploited in the wild in March and April 2023. NOTE: Vendor states that allowing users to unfollow, mute, block, and report tweets and accounts and the impact of these negative engagements on Twitter’s ranking algorithm is a conscious design decision, rather than a security vulnerability.","status":"disputed","published":"2023-04-03T00:00:00Z","modified":"2025-02-18T16:59:47.104Z","updated_at":"2026-11-02T14:35:28.643185Z"}],"euvd":[{"id":"EUVD-2023-32796","description":"The Twitter Recommendation Algorithm through ec83d01 allows attackers to cause a denial of service (reduction of reputation score) by arranging for multiple Twitter accounts to coordinate negative signals regarding a target account, such as unfollowing, muting, blocking, and reporting, as exploited in the wild in March and April 2023. NOTE: Vendor states that allowing users to unfollow, mute, block, and report tweets and accounts and the impact of these negative engagements on Twitter’s ranking algorithm is a conscious design decision, rather than a security vulnerability.","status":"published","published":"2023-04-03T00:00:00Z","modified":"2025-02-18T16:59:47Z","updated_at":"2026-11-02T20:53:28.952595Z"}],"ghsa":[{"id":"GHSA-rfh2-62gc-x7hw","title":"The Twitter Recommendation Algorithm through ec83d01 allows attackers to cause a denial of...","description":"The Twitter Recommendation Algorithm through ec83d01 allows attackers to cause a denial of service (reduction of reputation score) by arranging for multiple Twitter accounts to coordinate negative signals regarding a target account, such as unfollowing, muting, blocking, and reporting, as exploited in the wild in March and April 2023.","status":"published","published":"2023-04-03T21:32:44Z","modified":"2025-02-18T15:31:05Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:59:58.181327Z"}],"nvd":[{"id":"CVE-2023-29218","description":"The Twitter Recommendation Algorithm through ec83d01 allows attackers to cause a denial of service (reduction of reputation score) by arranging for multiple Twitter accounts to coordinate negative signals regarding a target account, such as unfollowing, muting, blocking, and reporting, as exploited in the wild in March and April 2023. NOTE: Vendor states that allowing users to unfollow, mute, block, and report tweets and accounts and the impact of these negative engagements on Twitter’s ranking algorithm is a conscious design decision, rather than a security vulnerability.","status":"disputed","published":"2023-04-03T21:15:07.237Z","modified":"2026-06-17T05:49:38.15Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:51.883939Z"}]}}