{"schemaVersion":3,"id":"CVE-2024-31306","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPDeveloper Essential Blocks for Gutenberg allows Stored XSS.This issue affects Essential Blocks for Gutenberg: from n/a through 4.5.3.","dates":{"published":"2024-04-07T17:42:54.112Z","modified":"2026-04-28T16:09:30.702Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.4,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","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":0.00385,"percentile":0.31157,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00385},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00385,"percentile":0.31157}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00385,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00385,"percentile":0.31157}]},"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":[],"exploitCount":0,"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":"wordpress","product":"essential-blocks","name":"Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns","label":"essential-blocks","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 4.5.3 (fixed in 4.5.4)","noFixRecorded":false,"fixedIn":"4.5.4"}],"versionsText":"≤ 4.5.3 (fixed in 4.5.4)","eol":null,"hubHref":null},{"vendor":"wpdeveloper","product":"essential_blocks","name":"essential blocks","label":"essential_blocks","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 4.5.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.5.4","eol":null,"hubHref":"/vendor/wpdeveloper/essential_blocks"},{"vendor":"wpdeveloper","product":"essential blocks for gutenberg","name":"Essential Blocks for Gutenberg","label":"essential blocks for gutenberg","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ n/a, ≤ 4.5.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ n/a, ≤ 4.5.3","eol":null,"hubHref":"/vendor/wpdeveloper/essential_blocks_for_gutenberg"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://patchstack.com/database/vulnerability/essential-blocks/wordpress-essential-blocks-plugin-4-5-3-cross-site-scripting-xss-vulnerability?_s_id=cve","label":"patchstack.com/database/…","hostname":"patchstack.com","tags":["VDB Entry","Third Party Advisory"]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8aa0eada-dc6c-4cd5-9ced-f162416ec439","label":"www.wordfence.com/threat-intel/vulnerabilities/id/8aa0eada-dc6c-4cd5-9ced-f162416ec439","hostname":"www.wordfence.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2024-04-07T17:42:54.112Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-28T16:09:30.702Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T17:20:42.842Z","stale":false,"partial":false}}