GHSA-6MPH-64G9-533J

Vulnerability from github – Published: 2026-06-17 18:35 – Updated: 2026-06-17 18:35
VLAI
Details

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: 11.02.05.10.02.

Severity
4.8 (Medium)
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
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{
  "affected": [],
  "aliases": [
    "CVE-2026-27870"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-17T13:20:13Z",
    "severity": "MODERATE"
  },
  "details": "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\u00a0Cross-site Scripting (XSS)\u00a0 payload into the \u0027Hostname\u0027 field of the configuration file resulting in a\u00a0XSS\u00a0in the path /upgrade/query.php?cmd=p+3%3Bversion.\u00a0This issue affects Regesta Smart HD-PLC - TLDPH16D2: \n11.02.05.10.02.",
  "id": "GHSA-6mph-64g9-533j",
  "modified": "2026-06-17T18:35:48Z",
  "published": "2026-06-17T18:35:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27870"
    },
    {
      "type": "WEB",
      "url": "https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf"
    },
    {
      "type": "WEB",
      "url": "https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support\u0026none=true\u0026language=en-US"
    },
    {
      "type": "WEB",
      "url": "https://www.hackrtu.com/blog/CNA-CVE-2026-27870"
    },
    {
      "type": "WEB",
      "url": "https://www.hackrtu.com/blog/CNA-HRTU-0002"
    },
    {
      "type": "WEB",
      "url": "https://www.teldat.com/es"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.