Vulnerability-Lookup

CVE-2021-47926 (GCVE-0-2021-47926)

Vulnerability from cvelistv5 – Published: 2026-05-10 12:43 – Updated: 2026-05-24 01:37

Title

WordPress Contact Form to Email 1.3.24 Stored XSS

Summary

Contact Form to Email 1.3.24 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by creating forms with script tags in the form name field. Attackers can craft form names containing JavaScript code that executes when other logged-in users access the form management page, enabling session hijacking or credential theft.

Severity

5.1 (Medium)


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

6.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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 2026-05-11 16:14 UTC

CWE

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

Assigner

VulnCheck mitre root

References

3 references

URL	Tags
https://www.exploit-db.com/exploits/50524	exploit
https://form2email.dwbooster.com/	product
https://www.vulncheck.com/advisories/wordpress-co…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
Form2Email	Contact Form to Email	Affected: 1.3.24	guessed

Date Public

2021-11-11 00:00

Credits

Mohammed Aadhil Ashfaq

Show details on NVD website

JSON

To clipboard

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}

FKIE_CVE-2021-47926

Vulnerability from fkie_nvd - Published: 2026-05-10 13:16 - Updated: 2026-07-25 11:10

Severity

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

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://form2email.dwbooster.com/
	disclosure@vulncheck.com	https://www.exploit-db.com/exploits/50524
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/wordpress-contact-form-to-email-stored-xss

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Contact Form to Email",
          "vendor": "Form2Email",
          "versions": [
            {
              "status": "affected",
              "version": "1.3.24"
            }
          ]
        }
      ],
      "source": "disclosure@vulncheck.com"
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    },
    {
      "lang": "es",
      "value": "Contact Form to Email 1.3.24 contiene una vulnerabilidad de cross-site scripting almacenado que permite a atacantes autenticados inyectar scripts maliciosos al crear formularios con etiquetas de script en el campo de nombre del formulario. Los atacantes pueden elaborar nombres de formulario que contienen c\u00f3digo JavaScript que se ejecuta cuando otros usuarios con sesi\u00f3n iniciada acceden a la p\u00e1gina de gesti\u00f3n de formularios, lo que permite el secuestro de sesi\u00f3n o el robo de credenciales."
    }
  ],
  "id": "CVE-2021-47926",
  "lastModified": "2026-07-25T11:10:00.100",
  "metrics": {
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        "cvssData": {
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          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "LOW",
          "subIntegrityImpact": "LOW",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
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  },
  "published": "2026-05-10T13:16:28.573",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://form2email.dwbooster.com/"
    },
    {
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        {
          "lang": "en",
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      ],
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      "type": "Secondary"
    }
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}

GHSA-94GC-C5W3-57WP

Vulnerability from github – Published: 2026-05-10 15:31 – Updated: 2026-05-10 15:31

Details

Severity

6.4 (Medium)


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

5.1 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-47926"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-10T13:16:28Z",
    "severity": "MODERATE"
  },
  "details": "Contact Form to Email 1.3.24 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by creating forms with script tags in the form name field. Attackers can craft form names containing JavaScript code that executes when other logged-in users access the form management page, enabling session hijacking or credential theft.",
  "id": "GHSA-94gc-c5w3-57wp",
  "modified": "2026-05-10T15:31:19Z",
  "published": "2026-05-10T15:31:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47926"
    },
    {
      "type": "WEB",
      "url": "https://form2email.dwbooster.com"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/50524"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/wordpress-contact-form-to-email-stored-xss"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/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"
    }
  ]
}

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-2021-47926 (GCVE-0-2021-47926)

FKIE_CVE-2021-47926

GHSA-94GC-C5W3-57WP

Tags

Sightings

Nomenclature