{"id":"CVE-2023-4995","state":"PUBLISHED","title":"Embed Calendly <= 3.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","description":"The Embed Calendly plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'calendly' shortcode in versions up to, and including, 3.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","publishedAt":"2023-10-13T12:44:49.343Z","updatedAt":"2026-04-08T17:25:12.056Z","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":["turn2honey EMC – Easily Embed Calendly Scheduling"],"affected":[{"vendor":"turn2honey","product":"EMC – Easily Embed Calendly Scheduling","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.6","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/d1bf83df-7a1f-4572-9c8d-1013750d51d7?source=cve","https://plugins.trac.wordpress.org/browser/embed-calendly-scheduling/tags/3.6/includes/embed.php#L140"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/4xxx/CVE-2023-4995.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-4995","state":"PUBLISHED","datePublished":"2023-10-13T12:44:49.343Z","dateUpdated":"2026-04-08T17:25:12.056Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2023-09-15T12:36:31.242Z"},"containers":{"cna":{"title":"Embed Calendly <= 3.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","descriptions":[{"lang":"en","value":"The Embed Calendly plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'calendly' shortcode in versions up to, and including, 3.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}],"affected":[{"vendor":"turn2honey","product":"EMC – Easily Embed Calendly Scheduling","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.6","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/d1bf83df-7a1f-4572-9c8d-1013750d51d7?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/embed-calendly-scheduling/tags/3.6/includes/embed.php#L140"}],"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-79","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T17:25:12.056Z"},"credits":[{"lang":"en","type":"finder","value":"István Márton"}],"timeline":[{"time":"2023-09-15T00:00:00.000Z","lang":"en","value":"Discovered"},{"time":"2023-10-02T00:00:00.000Z","lang":"en","value":"Vendor Notified"},{"time":"2023-10-12T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/d1bf83df-7a1f-4572-9c8d-1013750d51d7?source=cve","tags":["x_transferred"]},{"url":"https://plugins.trac.wordpress.org/browser/embed-calendly-scheduling/tags/3.6/includes/embed.php#L140","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T07:44:53.784Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-05T18:24:42.650643Z","id":"CVE-2023-4995","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":"2025-02-05T19:16:25.305Z"}}]}}}