{"id":"CVE-2026-100751","aliases":["EUVD-2026-88105","GHSA-cmhf-vxj4-v56x"],"status":"published","title":"Joomla Extension - regularlabs.com - Privileged stored XSS via data-rlta-url attributes in Tabs \u0026 Accordions (Pro) 2.3.0 - 3.1.0","description":"Joomla Extension - regularlabs.com - Privileged stored XSS via data-rlta-url attributes in Tabs \u0026 Accordions (Pro) 2.3.0 - 3.1.0 - Tabs \u0026 Accordions Pro accepts a url option for an item and writes it to a generated data-rlta-url attribute. The browser code passes that value to window.open() when the item is activated. Affected versions do not reject browser URL schemes which execute JavaScript. Joomla sees ordinary plugin syntax while filtering the authored article; Tabs \u0026 Accordions creates the executable browser behavior later while rendering the article.","severity":{"version":"4.0","score":7.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/S:N/AU:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00175,"percentile":0.07024,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-09-28T06:52:13Z","modified":"2026-10-27T15:32:10Z","products":[{"vendor":"regularlabs","product":"tabs_\\\u0026_accordions"},{"vendor":"regularlabs.com","product":"tabs \u0026 accordions (free, pro) extension for joomla"}],"references":[{"url":"https://www.regularlabs.com/","tags":["product","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100751"},{"url":"https://www.regularlabs.com"},{"url":"https://github.com/advisories/GHSA-cmhf-vxj4-v56x"}],"sources":{"cve":[{"id":"CVE-2026-100751","title":"Joomla Extension - regularlabs.com - Privileged stored XSS via data-rlta-url attributes in Tabs \u0026 Accordions (Pro) 2.3.0 - 3.1.0","description":"Joomla Extension - regularlabs.com - Privileged stored XSS via data-rlta-url attributes in Tabs \u0026 Accordions (Pro) 2.3.0 - 3.1.0 - Tabs \u0026 Accordions Pro accepts a url option for an item and writes it to a generated data-rlta-url attribute. The browser code passes that value to window.open() when the item is activated. Affected versions do not reject browser URL schemes which execute JavaScript. Joomla sees ordinary plugin syntax while filtering the authored article; Tabs \u0026 Accordions creates the executable browser behavior later while rendering the article.","status":"published","published":"2026-09-28T06:52:13.956Z","modified":"2026-09-30T15:07:02.147Z","cvss":[{"version":"4.0","score":7.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/S:N/AU:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:06.562031Z"}],"euvd":[{"id":"EUVD-2026-88105","description":"Joomla Extension - regularlabs.com - Privileged stored XSS via data-rlta-url attributes in Tabs \u0026 Accordions (Pro) 2.3.0 - 3.1.0 - Tabs \u0026 Accordions Pro accepts a url option for an item and writes it to a generated data-rlta-url attribute. The browser code passes that value to window.open() when the item is activated. Affected versions do not reject browser URL schemes which execute JavaScript. Joomla sees ordinary plugin syntax while filtering the authored article; Tabs \u0026 Accordions creates the executable browser behavior later while rendering the article.","status":"published","published":"2026-09-28T06:52:13Z","modified":"2026-09-30T15:07:02Z","cvss":[{"version":"4.0","score":7.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/S:N/AU:N","level":"high"}],"updated_at":"2026-11-02T17:27:49.499669Z"}],"ghsa":[{"id":"GHSA-cmhf-vxj4-v56x","title":"Joomla Extension - regularlabs.com - Privileged stored XSS via data-rlta-url attributes in Tabs \u0026...","description":"Joomla Extension - regularlabs.com - Privileged stored XSS via data-rlta-url attributes in Tabs \u0026 Accordions (Pro) 2.3.0 - 3.1.0 - Tabs \u0026 Accordions Pro accepts a url option for an item and writes it to a generated data-rlta-url attribute. The browser code passes that value to window.open() when the item is activated. Affected versions do not reject browser URL schemes which execute JavaScript. Joomla sees ordinary plugin syntax while filtering the authored article; Tabs \u0026 Accordions creates the executable browser behavior later while rendering the article.","status":"published","published":"2026-09-28T09:30:25Z","modified":"2026-10-27T15:32:10Z","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"},{"version":"4.0","score":7.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/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:N/AU:N/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:14:29.466605Z"}],"nvd":[{"id":"CVE-2026-100751","description":"Joomla Extension - regularlabs.com - Privileged stored XSS via data-rlta-url attributes in Tabs \u0026 Accordions (Pro) 2.3.0 - 3.1.0 - Tabs \u0026 Accordions Pro accepts a url option for an item and writes it to a generated data-rlta-url attribute. The browser code passes that value to window.open() when the item is activated. Affected versions do not reject browser URL schemes which execute JavaScript. Joomla sees ordinary plugin syntax while filtering the authored article; Tabs \u0026 Accordions creates the executable browser behavior later while rendering the article.","status":"published","published":"2026-09-28T07:17:19.703Z","modified":"2026-10-27T14:29:56.777Z","cvss":[{"version":"4.0","score":7.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/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:N/AU:N/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:52.081323Z"}]}}