{"id":"CVE-2021-24180","aliases":["EUVD-2021-11094","GHSA-6wjh-h2vc-4wfg"],"status":"published","title":"Related Posts for WordPress \u003c 2.0.4 - Authenticated Reflected Cross-Site Scripting (XSS)","description":"Unvalidated input and lack of output encoding within the Related Posts for WordPress plugin before 2.0.4 lead to a Reflected Cross-Site Scripting (XSS) vulnerability within the 'lang' GET parameter while editing a post, triggered when users with the capability of editing posts access a malicious URL.","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":"2026-11-12","score":0.00632,"percentile":0.50787,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-04-05T18:27:45Z","modified":"2026-06-17T03:39:33Z","products":[{"vendor":"microkid","product":"related posts for wordpress"},{"vendor":"never5","product":"related_posts"},{"vendor":"unknown","product":"related posts for wordpress"}],"references":[{"url":"https://wpscan.com/vulnerability/7593d5c8-cbc2-4469-b36b-5d4fb6d49718","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24180"},{"url":"https://github.com/advisories/GHSA-6wjh-h2vc-4wfg"}],"sources":{"cve":[{"id":"CVE-2021-24180","title":"Related Posts for WordPress \u003c 2.0.4 - Authenticated Reflected Cross-Site Scripting (XSS)","description":"Unvalidated input and lack of output encoding within the Related Posts for WordPress plugin before 2.0.4 lead to a Reflected Cross-Site Scripting (XSS) vulnerability within the 'lang' GET parameter while editing a post, triggered when users with the capability of editing posts access a malicious URL.","status":"published","published":"2021-04-05T18:27:45Z","modified":"2024-08-03T19:21:18.675Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11094","description":"Unvalidated input and lack of output encoding within the Related Posts for WordPress plugin before 2.0.4 lead to a Reflected Cross-Site Scripting (XSS) vulnerability within the 'lang' GET parameter while editing a post, triggered when users with the capability of editing posts access a malicious URL.","status":"published","published":"2021-04-05T18:27:45Z","modified":"2024-08-03T19:21:18Z","updated_at":"2026-11-03T03:24:59.071017Z"}],"ghsa":[{"id":"GHSA-6wjh-h2vc-4wfg","title":"Unvalidated input and lack of output encoding within the Related Posts for WordPress plugin...","description":"Unvalidated input and lack of output encoding within the Related Posts for WordPress plugin before 2.0.4 lead to a Reflected Cross-Site Scripting (XSS) vulnerability within the 'lang' GET parameter while editing a post, triggered when users with the capability of editing posts access a malicious URL.","status":"published","published":"2022-05-24T17:46:32Z","modified":"2023-01-29T05:06:15Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:59.056416Z"}],"nvd":[{"id":"CVE-2021-24180","description":"Unvalidated input and lack of output encoding within the Related Posts for WordPress plugin before 2.0.4 lead to a Reflected Cross-Site Scripting (XSS) vulnerability within the 'lang' GET parameter while editing a post, triggered when users with the capability of editing posts access a malicious URL.","status":"published","published":"2021-04-05T19:15:16.31Z","modified":"2026-06-17T03:39:33.227Z","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"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:51.197859Z"}]}}