{"id":"CVE-2026-27870","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-27870","generatedAt":"2026-10-28T02:18:54.056Z","title":"An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, registration action IS required) who has the vulnerable software could, introduce arbitrary JavaScript by injecting a Cross-site Scripting (XSS)…","description":"An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, registration action IS required) who has the vulnerable software could, introduce arbitrary JavaScript by injecting a Cross-site Scripting (XSS)  payload into the 'Hostname' field of the configuration file resulting in a XSS in the path /upgrade/query.php?cmd=p+3%3Bversion. This issue affects Regesta Smart HD-PLC - TLDPH16D2: \n11.02.05.10.02.","published":"2026-06-17T13:20:14.000Z","lastModified":"2026-10-26T11:10:00.000Z","status":"Deferred","sourceIdentifier":"ffb98d57-deaa-4918-a669-5225ccc13e39","cvss":{"version":"4.0","score":4.8,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.00293,"percentile":0.21705,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf","source":"ffb98d57-deaa-4918-a669-5225ccc13e39"},{"url":"https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support&none=true&language=en-US","source":"ffb98d57-deaa-4918-a669-5225ccc13e39"},{"url":"https://www.hackrtu.com/blog/CNA-CVE-2026-27870/","source":"ffb98d57-deaa-4918-a669-5225ccc13e39"},{"url":"https://www.hackrtu.com/blog/CNA-HRTU-0003/","source":"ffb98d57-deaa-4918-a669-5225ccc13e39"},{"url":"https://www.teldat.com/es/","source":"ffb98d57-deaa-4918-a669-5225ccc13e39"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-27870","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}