{"schemaVersion":3,"id":"CVE-2026-12980","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The Post Snippets  WordPress plugin through 4.2.4 does not properly escape variable values substituted into snippets before outputting them, allowing users with the Contributor role and above to inject arbitrary web scripts that execute when the content is viewed.","dates":{"published":"2026-10-11T06:00:08.059Z","modified":"2026-10-11T11:42:54.023Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.8,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"wordfence","score":6.4,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0029,"percentile":0.20411,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-11T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0029,"percentile":0.20411}],"last30":[{"date":"2026-10-11T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0029,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0029,"percentile":0.20411}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_42A380BA878B81CC","name":"Exploit Reference (wpscan.com)","source":"reference","url":"https://wpscan.com/vulnerability/288d419a-9e27-45ae-bde1-1aef52532354/","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","description":"The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/79.html"}],"affected":[{"vendor":"unknown","product":"post snippets","name":"Post Snippets","label":"post snippets","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 4.2.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 4.2.4","eol":null,"hubHref":"/vendor/unknown/post_snippets"},{"vendor":"wordpress","product":"post-snippets","name":"Post Snippets – Custom WordPress Code Snippets Customizer","label":"post-snippets","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 4.2.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 4.2.4","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://wpscan.com/vulnerability/288d419a-9e27-45ae-bde1-1aef52532354/","label":"wpscan.com/vulnerability/288d419a-9e27-45ae-bde1-1aef52532354/","hostname":"wpscan.com","tags":["Exploit","VDB Entry","Technical Description"]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/a94177d5-ad49-4143-9e51-8be4ff99d936","label":"www.wordfence.com/threat-intel/vulnerabilities/id/a94177d5-ad49-4143-9e51-8be4ff99d936","hostname":"www.wordfence.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-11T06:00:08.059Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-11T11:42:54.023Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":37,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T16:36:00.618Z","stale":false,"partial":false}}