{"id":"CVE-2025-2748","published":"2025-03-24T18:22:30Z","modified":"2025-12-27T16:47:39Z","title":"Kentico Xperience stored cross-site scripting in multiple-file upload functionality","vendor":"Kentico","product":"Xperience","tier":"core","eol":null,"affectedVersions":[{"vendor":"Kentico","product":"Xperience","versions":["<= 13.0.178"]}],"description":{"text":"The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.","provenance":"source","from":"CVE.org"},"summary":{"text":"Kentico Xperience does not fully validate or filter files uploaded through its multiple-file upload functionality, which leaves the flaw in that upload feature of the product. An attacker who can reach the application over the network can plant a stored cross-site scripting payload, and it executes when a user interacts with the affected content, requiring no authentication but depending on that user interaction.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:13:34Z"},"cvss":{"score":6.1,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.60586,"percentile":0.99142,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2025-06-07","exploitedFirstSeen":"2025-06-07","ransomware":false,"evidence":[{"url":"https://app.crowdsec.net/cti/cve-explorer/CVE-2025-2748","date":"2025-06-07"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation"},{"id":"CWE-434","name":"Unrestricted Upload of File with Dangerous Type"}],"references":[{"url":"https://devnet.kentico.com/download/hotfixes","tags":["vendor-advisory","patch"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2025-8011","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-8011","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2025-05-09","earliestUrl":"https://github.com/xirtam2669/Kentico-Xperience-before-13.0.178---XSS-POC","repos":[{"name":"xirtam2669/Kentico-Xperience-before-13.0.178---XSS-POC","url":"https://github.com/xirtam2669/Kentico-Xperience-before-13.0.178---XSS-POC","stars":1,"created":"2025-05-09"}]},"nuclei":[{"id":"CVE-2025-2748","name":"Kentico Xperience CMS - Unauthenticated Stored XSS","severity":"medium","path":"http/cves/2025/CVE-2025-2748.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-2748.yaml"}],"first":{"date":"2025-05-09","source":"PoC-in-GitHub","url":"https://github.com/xirtam2669/Kentico-Xperience-before-13.0.178---XSS-POC"},"provenance":"source"},"exploitRefs":[],"flow":[],"timeline":[{"date":"2025-03-24","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2025-2748","provenance":"source"},{"date":"2025-05-09","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub","url":"https://github.com/xirtam2669/Kentico-Xperience-before-13.0.178---XSS-POC","provenance":"source"},{"date":"2025-06-07","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://app.crowdsec.net/cti/cve-explorer/CVE-2025-2748","provenance":"source"}],"speed":{"daysToPublicExploit":46,"firstExploitFrom":"PoC-in-GitHub","daysToKev":null},"priority":{"score":64.1,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 510 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.83,"detail":"percentile 0.9914"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 PoC-in-GitHub repo; 1 nuclei template"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":4.27,"detail":"base score 6.1"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}