{"id":"CVE-2026-110813","title":"Advanced Custom Fields (ACF®) < 6.8.11 - Unauthenticated Stored XSS via HTML Attribute Name Injection","summary":"The Advanced Custom Fields (ACF®) WordPress plugin before 6.8.11 does not properly sanitize a stored field definition that can be modified through its comment handling, allowing unauthenticated users to inject a payload that is emitted a…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cvssSource":"adp","cwe":["CWE-79"],"product":"Advanced Custom Fields (ACF®)","affected":["advanced_custom_fields_acf < 6.8.11"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-11-06T11:49:07.541490Z"},"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T12:01:52.162Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110813","references":[{"url":"https://wpscan.com/vulnerability/f7373dad-036e-47f4-b8a5-584341f66560/"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T06:46:27.274Z","epss":0.00267,"epssPercentile":0.18929,"slug":"CVE-2026-110813","body":"## Overview\n\nThe Advanced Custom Fields (ACF®) WordPress plugin before 6.8.11 does not properly sanitize a stored field definition that can be modified through its comment handling, allowing unauthenticated users to inject a payload that is emitted as an HTML attribute name and executed as JavaScript in the browser of any visitor or administrator who views a page rendering the affected field.\n\n## Affected\n\n- `advanced_custom_fields_acf < 6.8.11`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":235104,"id":"CVE-2026-110813","ts":1793969519959,"field":"cvss","old":null,"new":"7.5"},{"seq":235103,"id":"CVE-2026-110813","ts":1793969519959,"field":"severity","old":"none","new":"high"}]}