{"id":"CVE-2026-22209","aliases":["EUVD-2026-11750","GHSA-hrwg-p9c4-49wp"],"status":"published","title":"wpDiscuz before 7.6.47 - Cross-Site Scripting via Unescaped Custom CSS in Style Tag","description":"wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like \u003c/style\u003e\u003cscript\u003ealert(1)\u003c/script\u003e in the custom CSS setting to execute arbitrary JavaScript in user browsers.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00256,"percentile":0.17388,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78","CWE-79"],"published":"2026-03-13T01:18:13Z","modified":"2026-07-14T15:53:16Z","products":[{"vendor":"gvectors","product":"wpdiscuz"}],"references":[{"url":"https://wordpress.org/plugins/wpdiscuz/#developers","tags":["patch"]},{"url":"https://wordpress.org/plugins/wpdiscuz/","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/wpdiscuz-before-cross-site-scripting-via-unescaped-custom-css-in-style-tag","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22209"},{"url":"https://wordpress.org/plugins/wpdiscuz"},{"url":"https://github.com/themactep/thingino-firmware/releases/tag/firmware-2026-03-15","tags":["web"]},{"url":"https://www.vulncheck.com/advisories/thingino-firmware-api-cgi-unauthenticated-command-injection-in-captive-portal","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hrwg-p9c4-49wp"}],"sources":{"cve":[{"id":"CVE-2026-22209","title":"wpDiscuz before 7.6.47 - Cross-Site Scripting via Unescaped Custom CSS in Style Tag","description":"wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like \u003c/style\u003e\u003cscript\u003ealert(1)\u003c/script\u003e in the custom CSS setting to execute arbitrary JavaScript in user browsers.","status":"published","published":"2026-03-13T01:18:13.141Z","modified":"2026-07-14T15:53:16.361Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:39:16.730222Z"}],"euvd":[{"id":"EUVD-2026-11750","description":"wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like \u003c/style\u003e\u003cscript\u003ealert(1)\u003c/script\u003e in the custom CSS setting to execute arbitrary JavaScript in user browsers.","status":"published","published":"2026-03-13T01:18:13Z","modified":"2026-07-14T15:53:16Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:19:59.713046Z"}],"ghsa":[{"id":"GHSA-hrwg-p9c4-49wp","title":"wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that...","description":"wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like \u003c/style\u003e\u003cscript\u003ealert(1)\u003c/script\u003e in the custom CSS setting to execute arbitrary JavaScript in user browsers.","status":"published","published":"2026-03-13T21:31:46Z","modified":"2026-03-20T15:32:08Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-78","CWE-79"],"updated_at":"2026-11-02T15:06:44.064136Z"}],"nvd":[{"id":"CVE-2026-22209","description":"wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like \u003c/style\u003e\u003cscript\u003ealert(1)\u003c/script\u003e in the custom CSS setting to execute arbitrary JavaScript in user browsers.","status":"published","published":"2026-03-13T19:54:11.003Z","modified":"2026-06-17T10:19:33.237Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:09.358914Z"}],"osv":[{"id":"CVE-2026-22209","description":"thingino-firmware up to commit e3f6a41 (published on 2026-03-15) contains an unauthenticated os command injection vulnerability in the WiFi captive portal CGI script that allows remote attackers to execute arbitrary commands as root by injecting malicious code through unsanitized HTTP parameter names. Attackers can exploit the eval function in parse_query() and parse_post() functions to achieve remote code execution and perform privileged configuration changes including root password reset and SSH authorized_keys modification, resulting in full persistent device compromise.","status":"published","published":"2026-03-13T19:54:11.003Z","modified":"2026-04-10T05:39:39.493192Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:58.42038Z"}]}}