{"id":"CVE-2023-5057","aliases":["EUVD-2023-57400","GHSA-rcgg-pr6j-3pmh"],"status":"published","title":"ActivityPub for WordPress \u003c 1.0.0 - Contributor+ Stored XSS","description":"The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0052,"percentile":0.44526,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-10-16T19:39:13Z","modified":"2026-06-17T06:47:27Z","products":[{"vendor":"automattic","product":"activitypub"},{"vendor":"unknown","product":"activitypub"}],"references":[{"url":"https://wpscan.com/vulnerability/58a63507-f0fd-46f1-a80c-6b1c41dddcf5","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5057"},{"url":"https://github.com/advisories/GHSA-rcgg-pr6j-3pmh"}],"sources":{"cve":[{"id":"CVE-2023-5057","title":"ActivityPub for WordPress \u003c 1.0.0 - Contributor+ Stored XSS","description":"The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks","status":"published","published":"2023-10-16T19:39:13.142Z","modified":"2024-08-02T07:44:53.809Z","updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-57400","description":"The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks","status":"published","published":"2023-10-16T19:39:13Z","modified":"2024-08-02T07:44:53Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"none"}],"updated_at":"2026-11-03T03:50:12.183917Z"}],"ghsa":[{"id":"GHSA-rcgg-pr6j-3pmh","title":"The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting...","description":"The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks","status":"published","published":"2023-10-16T21:30:27Z","modified":"2024-04-04T08:42:00Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:57:00.717739Z"}],"nvd":[{"id":"CVE-2023-5057","description":"The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks","status":"published","published":"2023-10-16T20:15:17.573Z","modified":"2026-06-17T06:47:27.33Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:08:37.83429Z"}]}}