{"id":"CVE-2026-88997","title":"The JSM Show Post Metadata WordPress plugin before 4.9.1 does not properly escape a post meta key before outputting it into an inline event-handler attribute in an admin-facing meta box, allowing users with contributor-level access and a…","summary":"The JSM Show Post Metadata WordPress plugin before 4.9.1 does not properly escape a post meta key before outputting it into an inline event-handler attribute in an admin-facing meta box, allowing users with contributor-level access and a…","severity":"medium","cvss":6.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-79"],"product":"JSM Show Post Metadata","affected":["jsm_show_post_metadata < 4.9.1"],"published":"2026-09-23","updated":"2026-09-23","sourceUpdated":"2026-09-23T18:12:32.050","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88997","references":[{"url":"https://wpscan.com/vulnerability/1699d3aa-29ca-4197-8e3b-0b03ecce751a/","label":"contact@wpscan.com"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00208,"epssPercentile":0.11224,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-23T10:38:22.858441Z"},"ingestedAt":"2026-09-23T06:17:57.897Z","exploits":{"github":1,"githubRepos":["https://github.com/pervinzahidli/CVE-2026-88997"],"checkedAt":"2026-09-24T07:53:23.211Z"},"exploitAvailable":true,"slug":"CVE-2026-88997","body":"## Overview\n\nThe JSM Show Post Metadata WordPress plugin before 4.9.1 does not properly escape a post meta key before outputting it into an inline event-handler attribute in an admin-facing meta box, allowing users with contributor-level access and above to inject arbitrary JavaScript that executes in the session of a higher-privileged user who reviews the affected post.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":37.4,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":210040,"id":"CVE-2026-88997","ts":1790237843782,"field":"exploit_available","old":"false","new":"true"},{"seq":209620,"id":"CVE-2026-88997","ts":1790162587850,"field":"cvss","old":null,"new":"6.8"},{"seq":209619,"id":"CVE-2026-88997","ts":1790162587850,"field":"severity","old":"none","new":"medium"}]}