{"id":"CVE-2021-24437","aliases":["EUVD-2021-11349","GHSA-cw69-2q7p-cmfx"],"status":"published","title":"Favicon by RealFaviconGenerator \u003c= 1.3.20 - Reflected Cross-Site Scripting (XSS)","description":"The Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00827,"percentile":0.57779,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-30T14:11:18Z","modified":"2026-06-17T03:40:01Z","products":[{"vendor":"realfavicongenerator","product":"favicon_by_realfavicongenerator"},{"vendor":"unknown","product":"favicon by realfavicongenerator"}],"references":[{"url":"https://wpscan.com/vulnerability/ed9d26be-cc96-4274-a05b-0b7ad9d8cfd9","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24437"},{"url":"https://github.com/advisories/GHSA-cw69-2q7p-cmfx"}],"sources":{"cve":[{"id":"CVE-2021-24437","title":"Favicon by RealFaviconGenerator \u003c= 1.3.20 - Reflected Cross-Site Scripting (XSS)","description":"The Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.","status":"published","published":"2021-08-30T14:11:18Z","modified":"2024-08-03T19:28:24.007Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11349","description":"The Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.","status":"published","published":"2021-08-30T14:11:18Z","modified":"2024-08-03T19:28:24Z","updated_at":"2026-11-03T03:24:57.403647Z"}],"ghsa":[{"id":"GHSA-cw69-2q7p-cmfx","title":"The Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape...","description":"The Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.","status":"published","published":"2022-05-24T19:12:32Z","modified":"2023-01-30T05:01:50Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:29.807452Z"}],"nvd":[{"id":"CVE-2021-24437","description":"The Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.","status":"published","published":"2021-08-30T15:15:07.4Z","modified":"2026-06-17T03:40:01.563Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","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-79"],"updated_at":"2026-11-02T14:06:57.67549Z"}]}}