{"id":"CVE-2026-8354","title":"The Gum Addon for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pop_tag' parameter in all versions up to, and including, 1.3.15 due to insufficient input sanitization and output escaping","summary":"The Gum Addon for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pop_tag' parameter in all versions up to, and including, 1.3.15 due to insufficient input sanitization and output escaping. This makes…","severity":"medium","cvss":6.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"celomitan","product":"Gum Addon for Elementor","affected":["gum_addon_for_elementor <= 1.3.15"],"published":"2026-09-19","updated":"2026-09-21","sourceUpdated":"2026-09-21T13:33:33.387","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-8354","references":[{"url":"https://plugins.trac.wordpress.org/browser/gum-elementor-addon/tags/1.3.15/widgets/popover_btn.php#L726","label":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/gum-elementor-addon/tags/1.3.15/widgets/popover_btn.php#L767","label":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/gum-elementor-addon/trunk/widgets/popover_btn.php#L726","label":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/gum-elementor-addon/trunk/widgets/popover_btn.php#L767","label":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=&old=3556711%40gum-elementor-addon&new=3556711%40gum-elementor-addon","label":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/143c3a66-ac67-48e1-800f-8479fd963da3?source=cve","label":"security@wordfence.com"}],"tags":["nvd","cve.org"],"epss":0.00349,"epssPercentile":0.25821,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-19T13:18:06.149349Z"},"ingestedAt":"2026-09-19T09:00:39.472Z","slug":"CVE-2026-8354","body":"## Overview\n\nThe Gum Addon for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pop_tag' parameter in all versions up to, and including, 1.3.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":35.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}