{"id":"CVE-2018-11690","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-11690","generatedAt":"2026-10-28T22:12:57.978Z","title":"The Balbooa Gridbox extension version 2.4.0 and previous versions for Joomla! is vulnerable to cross-site scripting, caused by improper validation of user-supplied input.","description":"The Balbooa Gridbox extension version 2.4.0 and previous versions for Joomla! is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability via a crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.","published":"2018-06-14T20:29:00.000Z","lastModified":"2026-06-17T01:36:22.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["balbooa/gridbox"],"epss":{"score":0.32933,"percentile":0.98348,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.19418,"percentile":0.97296},{"date":"2026-09-22","score":0.3351,"percentile":0.98307}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 32.9%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.3351,"from":0.19418,"percentile":0.98307},"summary":"EPSS moved from 19.4% to 33.5% probability of exploitation in the next thirty days."}],"references":[{"url":"http://packetstormsecurity.com/files/148127/Joomla-2.4.0-Gridbox-Cross-Site-Scripting.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2018/Jun/26","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/542066/100/0/threaded","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://vel.joomla.org/resolved/2155-gridbox-com-gridbox-multiple-vulnerabilities","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://vulmon.com/vulnerabilitydetails?qid=CVE-2018-11690","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/148127/Joomla-2.4.0-Gridbox-Cross-Site-Scripting.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2018/Jun/26","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/542066/100/0/threaded","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vel.joomla.org/resolved/2155-gridbox-com-gridbox-multiple-vulnerabilities","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vulmon.com/vulnerabilitydetails?qid=CVE-2018-11690","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-11690","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}