Vulnerability-Lookup

CVE-2026-16066 (GCVE-0-2026-16066)

Vulnerability from cvelistv5 – Published: 2026-08-12 06:00 – Updated: 2026-08-12 16:09

Title

Welcart e-Commerce < 2.11.34 - Author+ Stored XSS via Product Name

Summary

The Welcart e-Commerce WordPress plugin before 2.11.34 does not sanitise or escape a product field before outputting it on the product pages, allowing users with the Author role and above to inject arbitrary web scripts that execute in the browser of any visitor viewing the product page.

Severity

5.4 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-12 16:09 UTC

CWE

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

Assigner

WPScan

References

1 reference

URL	Tags
https://wpscan.com/vulnerability/ed3b39a6-493c-49…	exploitvdb-entrytechnical-description

Impacted products

1 product

Vendor	Product	Version
Unknown	Welcart e-Commerce	Affected: 0 , < 2.11.34 (semver)

Credits

Yaswanth Reddy Sunkara WPScan

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-16066",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-12T16:09:06.519768Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
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          {
            "descriptions": [
              {
                "cweId": "CWE-79",
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                "type": "CWE"
              }
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-12T16:09:32.179Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Welcart e-Commerce",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "2.11.34",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
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          "lang": "en",
          "type": "finder",
          "value": "Yaswanth Reddy Sunkara"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
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          "lang": "en",
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      "problemTypes": [
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          "descriptions": [
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              "description": "CWE-79 Cross-Site Scripting (XSS)",
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            }
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      "providerMetadata": {
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        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
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            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/ed3b39a6-493c-490e-af41-c4d04992e19e/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Welcart e-Commerce \u003c 2.11.34 - Author+ Stored XSS via Product Name",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
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    "assignerShortName": "WPScan",
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    "datePublished": "2026-08-12T06:00:14.817Z",
    "dateReserved": "2026-07-17T13:08:50.924Z",
    "dateUpdated": "2026-08-12T16:09:32.179Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
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      "date": "2026-08-12",
      "epss": "0.00163",
      "percentile": "0.05967"
    },
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    "vulnrichment": {
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}

FKIE_CVE-2026-16066

Vulnerability from fkie_nvd - Published: 2026-08-12 06:18 - Updated: 2026-08-12 17:17

Severity

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

Summary

References

	URL	Tags
	contact@wpscan.com	https://wpscan.com/vulnerability/ed3b39a6-493c-490e-af41-c4d04992e19e/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Welcart e-Commerce",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "2.11.34",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "contact@wpscan.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Welcart e-Commerce WordPress plugin before 2.11.34 does not sanitise or escape a product field before outputting it on the product pages, allowing users with the Author role and above to inject arbitrary web scripts that execute in the browser of any visitor viewing the product page."
    }
  ],
  "id": "CVE-2026-16066",
  "lastModified": "2026-08-12T17:17:23.700",
  "metrics": {
    "cvssMetricV31": [
      {
        "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-16066",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-12T16:09:06.519768Z",
          "version": "2.0.3"
        }
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  },
  "published": "2026-08-12T06:18:15.797",
  "references": [
    {
      "source": "contact@wpscan.com",
      "url": "https://wpscan.com/vulnerability/ed3b39a6-493c-490e-af41-c4d04992e19e/"
    }
  ],
  "sourceIdentifier": "contact@wpscan.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
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        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-XGC5-XXMG-C9X4

Vulnerability from github – Published: 2026-08-12 06:30 – Updated: 2026-08-12 18:31

Details

Severity

5.4 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-16066"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-12T06:18:15Z",
    "severity": "MODERATE"
  },
  "details": "The Welcart e-Commerce WordPress plugin before 2.11.34 does not sanitise or escape a product field before outputting it on the product pages, allowing users with the Author role and above to inject arbitrary web scripts that execute in the browser of any visitor viewing the product page.",
  "id": "GHSA-xgc5-xxmg-c9x4",
  "modified": "2026-08-12T18:31:14Z",
  "published": "2026-08-12T06:30:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-16066"
    },
    {
      "type": "WEB",
      "url": "https://wpscan.com/vulnerability/ed3b39a6-493c-490e-af41-c4d04992e19e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

Action not permitted

CVE-2026-16066 (GCVE-0-2026-16066)

FKIE_CVE-2026-16066

GHSA-XGC5-XXMG-C9X4

Tags

Sightings

Nomenclature