Vulnerability-Lookup

GHSA-P9HC-MMH6-475F

Vulnerability from github – Published: 2026-01-15 18:31 – Updated: 2026-01-15 18:31

Details

ImportExportTools NG 10.0.4 contains a persistent HTML injection vulnerability in the email export module that allows remote attackers to inject malicious HTML payloads. Attackers can send emails with crafted HTML in the subject that execute during HTML export, potentially compromising user data or session credentials.

Severity

6.1 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

5.3 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-47768"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-15T16:16:08Z",
    "severity": "MODERATE"
  },
  "details": "ImportExportTools NG 10.0.4 contains a persistent HTML injection vulnerability in the email export module that allows remote attackers to inject malicious HTML payloads. Attackers can send emails with crafted HTML in the subject that execute during HTML export, potentially compromising user data or session credentials.",
  "id": "GHSA-p9hc-mmh6-475f",
  "modified": "2026-01-15T18:31:31Z",
  "published": "2026-01-15T18:31:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47768"
    },
    {
      "type": "WEB",
      "url": "https://addons.thunderbird.net/en-US/thunderbird/addon/importexporttools-ng"
    },
    {
      "type": "WEB",
      "url": "https://github.com/thundernest/import-export-tools-ng"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/50496"
    },
    {
      "type": "WEB",
      "url": "https://www.vulnerability-lab.com/get_content.php?id=2308"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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"
    }
  ]
}

CVE-2021-47768 (GCVE-0-2021-47768)

Vulnerability from cvelistv5 – Published: 2026-01-15 15:52 – Updated: 2026-01-15 18:27

Title

ImportExportTools NG 10.0.4 - HTML Injection

Summary

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

6.1 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

VulnCheck

References

4 references

URL	Tags
https://www.exploit-db.com/exploits/50496	exploit
https://github.com/thundernest/import-export-tools-ng	product
https://addons.thunderbird.net/en-US/thunderbird/…	product
https://www.vulnerability-lab.com/get_content.php…	exploittechnical-description

Impacted products

1 product

Vendor	Product	Version
thundernest	ImportExportTools NG	Affected: 10.0.4

Date Public

2021-11-05 00:00

Credits

Vulnerability Lab

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47768",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-15T16:13:13.203284Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-15T18:27:03.728Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://www.exploit-db.com/exploits/50496"
          },
          {
            "tags": [
              "exploit"
            ],
            "url": "https://www.vulnerability-lab.com/get_content.php?id=2308"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ImportExportTools NG",
          "vendor": "thundernest",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.4"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Vulnerability Lab"
        }
      ],
      "datePublic": "2021-11-05T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "ImportExportTools NG 10.0.4 contains a persistent HTML injection vulnerability in the email export module that allows remote attackers to inject malicious HTML payloads. Attackers can send emails with crafted HTML in the subject that execute during HTML export, potentially compromising user data or session credentials."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-15T15:52:10.377Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "ExploitDB-50496",
          "tags": [
            "exploit"
          ],
          "url": "https://www.exploit-db.com/exploits/50496"
        },
        {
          "name": "ImportExportTools NG GitHub Repository",
          "tags": [
            "product"
          ],
          "url": "https://github.com/thundernest/import-export-tools-ng"
        },
        {
          "name": "Thunderbird Addon Page",
          "tags": [
            "product"
          ],
          "url": "https://addons.thunderbird.net/en-US/thunderbird/addon/importexporttools-ng/"
        },
        {
          "name": "Vulnerability-Lab Disclosure",
          "tags": [
            "exploit",
            "technical-description"
          ],
          "url": "https://www.vulnerability-lab.com/get_content.php?id=2308"
        }
      ],
      "title": "ImportExportTools NG 10.0.4 - HTML Injection",
      "x_generator": {
        "engine": "vulncheck"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2021-47768",
    "datePublished": "2026-01-15T15:52:10.377Z",
    "dateReserved": "2026-01-14T14:39:44.735Z",
    "dateUpdated": "2026-01-15T18:27:03.728Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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.

Action not permitted

GHSA-P9HC-MMH6-475F

CVE-2021-47768 (GCVE-0-2021-47768)

Tags

Sightings

Nomenclature