{"id":"CVE-2025-11723","state":"PUBLISHED","title":"Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.9.5 - Unauthenticated Sensitive Information Exposure","description":"The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6.9.5 via the hash() function due to use of a hardcoded fall-back salt. This makes it possible for unauthenticated attackers to generate a valid token across sites running the plugin that have not manually set a salt in the wp-config.php file and access booking information that will allow them to make modifications.","publishedAt":"2026-01-06T03:21:38.601Z","updatedAt":"2026-04-08T17:13:22.766Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["croixhaug Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin"],"affected":[{"vendor":"croixhaug","product":"Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.6.9.5","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/a5f3fbd2-6152-4a89-8fe9-982120d1a640?source=cve","https://plugins.trac.wordpress.org/changeset/3393919/"],"weaknesses":["CWE-330"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/11xxx/CVE-2025-11723.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-11723","state":"PUBLISHED","datePublished":"2026-01-06T03:21:38.601Z","dateUpdated":"2026-04-08T17:13:22.766Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2025-10-13T20:37:05.956Z"},"containers":{"cna":{"title":"Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.9.5 - Unauthenticated Sensitive Information Exposure","descriptions":[{"lang":"en","value":"The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6.9.5 via the hash() function due to use of a hardcoded fall-back salt. This makes it possible for unauthenticated attackers to generate a valid token across sites running the plugin that have not manually set a salt in the wp-config.php file and access booking information that will allow them to make modifications."}],"affected":[{"vendor":"croixhaug","product":"Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.6.9.5","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/a5f3fbd2-6152-4a89-8fe9-982120d1a640?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3393919/"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-330","lang":"en","description":"CWE-330 Use of Insufficiently Random Values","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T17:13:22.766Z"},"credits":[{"lang":"en","type":"finder","value":"Lucas Montes"}],"timeline":[{"time":"2025-10-20T19:32:38.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-01-05T15:10:45.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-06T14:19:09.718275Z","id":"CVE-2025-11723","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-06T18:56:21.498Z"}}]}}}