Vulnerability-Lookup

FKIE_CVE-2025-66501

Vulnerability from fkie_nvd - Published: 2025-12-19 08:15 - Updated: 2026-06-17 09:56

Severity

6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Summary

A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Predefined Text feature of the Foxit eSign section. A crafted payload can be stored via the Identity “First Name” field, which is later rendered into the DOM without proper sanitization. As a result, the injected script may execute when predefined text is used or when viewing document properties.

References

	URL	Tags
	14984358-7092-470d-8f34-ade47a7658a2	https://www.foxit.com/support/security-bulletins.html	Vendor Advisory

Impacted products

	Vendor	Product	Version
	foxit	pdf_editor_cloud	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "pdfonline.foxit.com",
          "vendor": "Foxit Software Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "before 2025\u201112\u201101"
            }
          ]
        }
      ],
      "source": "14984358-7092-470d-8f34-ade47a7658a2"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:foxit:pdf_editor_cloud:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1C90C56D-E699-4600-92B1-30DF358CE2E9",
              "versionEndExcluding": "2025-12-01",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Predefined Text feature of the Foxit eSign section. A crafted payload can be stored via the Identity \u201cFirst Name\u201d field, which is later rendered into the DOM without proper sanitization. As a result, the injected script may execute when predefined text is used or when viewing document properties."
    }
  ],
  "id": "CVE-2025-66501",
  "lastModified": "2026-06-17T09:56:56.807",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 4.2,
        "source": "14984358-7092-470d-8f34-ade47a7658a2",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-66501",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-12-19T17:09:56.590040Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-12-19T08:15:53.583",
  "references": [
    {
      "source": "14984358-7092-470d-8f34-ade47a7658a2",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.foxit.com/support/security-bulletins.html"
    }
  ],
  "sourceIdentifier": "14984358-7092-470d-8f34-ade47a7658a2",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "14984358-7092-470d-8f34-ade47a7658a2",
      "type": "Secondary"
    }
  ]
}

CVE-2025-66501 (GCVE-0-2025-66501)

Vulnerability from cvelistv5 – Published: 2025-12-19 07:23 – Updated: 2025-12-19 17:12

Title

Foxit pdfonline.foxit.com Stored Cross-Site Scripting in eSign Predefined Text Feature

Summary

Severity

6.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-12-19 17:09 UTC

CWE

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

Assigner

Foxit mitre root

References

1 reference

URL	Tags
https://www.foxit.com/support/security-bulletins.html

Impacted products

1 product

Vendor	Product	Version
Foxit Software Inc.	pdfonline.foxit.com	Affected: before 2025‑12‑01

Date Public

2025-11-30 16:00

Credits

Novee

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-66501",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-19T17:09:56.590040Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-19T17:12:02.258Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "pdfonline.foxit.com",
          "vendor": "Foxit Software Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "before 2025\u201112\u201101"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Novee"
        }
      ],
      "datePublic": "2025-11-30T16:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A stored cross-site scripting (XSS) vulnerability exists in \u003cstrong\u003epdfonline.foxit.com\u003c/strong\u003e within the \u003cstrong\u003ePredefined Text feature of the Foxit eSign section\u003c/strong\u003e. A crafted payload can be stored via the \u003cstrong\u003eIdentity \u201cFirst Name\u201d field\u003c/strong\u003e, which is later rendered into the DOM without proper sanitization. As a result, the injected script may execute when predefined text is used or when viewing document properties."
            }
          ],
          "value": "A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Predefined Text feature of the Foxit eSign section. A crafted payload can be stored via the Identity \u201cFirst Name\u201d field, which is later rendered into the DOM without proper sanitization. As a result, the injected script may execute when predefined text is used or when viewing document properties."
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en",
              "value": "Potential arbitrary JavaScript execution"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or \u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-19T09:27:24.786Z",
        "orgId": "14984358-7092-470d-8f34-ade47a7658a2",
        "shortName": "Foxit"
      },
      "references": [
        {
          "url": "https://www.foxit.com/support/security-bulletins.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Foxit pdfonline.foxit.com Stored Cross-Site Scripting in eSign Predefined Text Feature",
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "14984358-7092-470d-8f34-ade47a7658a2",
    "assignerShortName": "Foxit",
    "cveId": "CVE-2025-66501",
    "datePublished": "2025-12-19T07:23:29.090Z",
    "dateReserved": "2025-12-03T01:33:55.298Z",
    "dateUpdated": "2025-12-19T17:12:02.258Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.