{"id":"CVE-2024-1854","state":"PUBLISHED","title":"Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 4.5.1 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the blockId parameter in all versions up to, and including, 4.5.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","publishedAt":"2024-03-13T15:27:02.758Z","updatedAt":"2026-04-08T17:04:44.973Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns"],"affected":[{"vendor":"wpdevteam","product":"Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.5.1","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/86364b6f-dec8-48d8-9d2d-de1ee4901872?source=cve","https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3041859%40essential-blocks%2Ftrunk&old=3036273%40essential-blocks%2Ftrunk&sfp_email=&sfph_mail="],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:06:59.846Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/1xxx/CVE-2024-1854.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-1854","state":"PUBLISHED","datePublished":"2024-03-13T15:27:02.758Z","dateUpdated":"2026-04-08T17:04:44.973Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2024-02-23T17:32:32.988Z"},"containers":{"cna":{"title":"Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 4.5.1 - Authenticated (Contributor+) Stored Cross-Site Scripting","descriptions":[{"lang":"en","value":"The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the blockId parameter in all versions up to, and including, 4.5.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}],"affected":[{"vendor":"wpdevteam","product":"Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.5.1","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/86364b6f-dec8-48d8-9d2d-de1ee4901872?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3041859%40essential-blocks%2Ftrunk&old=3036273%40essential-blocks%2Ftrunk&sfp_email=&sfph_mail="}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20 Improper Input Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T17:04:44.973Z"},"credits":[{"lang":"en","type":"finder","value":"Ngô Thiên An"},{"lang":"en","type":"finder","value":"Dau Hoang Tai"}],"timeline":[{"time":"2024-02-28T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-1854","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-03-14T13:24:08.172750Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-04T18:00:48.304Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/86364b6f-dec8-48d8-9d2d-de1ee4901872?source=cve","tags":["x_transferred"]},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3041859%40essential-blocks%2Ftrunk&old=3036273%40essential-blocks%2Ftrunk&sfp_email=&sfph_mail=","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-01T18:56:22.304Z"}}]}}}