{"id":"CVE-2024-5439","state":"PUBLISHED","title":"Blocksy <= 2.0.50 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The Blocksy theme for WordPress is vulnerable to Reflected Cross-Site Scripting via the custom_url parameter in all versions up to, and including, 2.0.50 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","publishedAt":"2024-06-05T07:34:56.901Z","updatedAt":"2026-04-08T17:19:37.421Z","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":["creativethemeshq Blocksy"],"affected":[{"vendor":"creativethemeshq","product":"Blocksy","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.0.50","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/c05687f4-5ea2-4226-982f-c3499f204685?source=cve","https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=229705%40blocksy%2F2.0.51&old=228990%40blocksy%2F2.0.50"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:08:12.933Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/5xxx/CVE-2024-5439.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-5439","state":"PUBLISHED","datePublished":"2024-06-05T07:34:56.901Z","dateUpdated":"2026-04-08T17:19:37.421Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2024-05-28T17:24:34.310Z"},"containers":{"cna":{"title":"Blocksy <= 2.0.50 - Authenticated (Contributor+) Stored Cross-Site Scripting","descriptions":[{"lang":"en","value":"The Blocksy theme for WordPress is vulnerable to Reflected Cross-Site Scripting via the custom_url parameter in all versions up to, and including, 2.0.50 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link."}],"affected":[{"vendor":"creativethemeshq","product":"Blocksy","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.0.50","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/c05687f4-5ea2-4226-982f-c3499f204685?source=cve"},{"url":"https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=229705%40blocksy%2F2.0.51&old=228990%40blocksy%2F2.0.50"}],"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":"2026-04-08T17:19:37.421Z"},"credits":[{"lang":"en","type":"finder","value":"Ngô Thiên An"}],"timeline":[{"time":"2024-06-04T19:06:12.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-05T13:38:13.302211Z","id":"CVE-2024-5439","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-05T13:38:23.784Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/c05687f4-5ea2-4226-982f-c3499f204685?source=cve","tags":["x_transferred"]},{"url":"https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=229705%40blocksy%2F2.0.51&old=228990%40blocksy%2F2.0.50","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-01T21:11:12.743Z"}}]}}}