{"id":"CVE-2026-14827","state":"PUBLISHED","title":"Calendar < 1.3.18 - Contributor+ Stored XSS via event_link Parameter","description":"The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contributor role to inject arbitrary JavaScript that executes in the browser of anyone viewing the calendar.","publishedAt":"2026-07-27T06:00:06.038Z","updatedAt":"2026-07-27T17:39:03.012Z","severity":{"score":6.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Calendar"],"affected":[{"vendor":"Unknown","product":"Calendar","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.3.18","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/b2981b41-b712-43d9-a327-3a376346cec5/"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/14xxx/CVE-2026-14827.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-14827","state":"PUBLISHED","datePublished":"2026-07-27T06:00:06.038Z","dateUpdated":"2026-07-27T17:39:03.012Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-07-06T08:51:22.216Z"},"containers":{"cna":{"title":"Calendar < 1.3.18 - Contributor+ Stored XSS via event_link Parameter","descriptions":[{"lang":"en","value":"The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contributor role to inject arbitrary JavaScript that executes in the browser of anyone viewing the calendar."}],"affected":[{"vendor":"Unknown","product":"Calendar","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.3.18","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/b2981b41-b712-43d9-a327-3a376346cec5/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-79 Cross-Site Scripting (XSS)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-07-27T06:00:06.038Z"},"credits":[{"lang":"en","value":"Marcus Cornes","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.8,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"HIGH","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-27T17:38:57.982795Z","id":"CVE-2026-14827","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-27T17:39:03.012Z"}}]}}}