Vulnerability-Lookup

GHSA-MWCW-C9QW-PVC9

Vulnerability from github – Published: 2026-02-03 18:30 – Updated: 2026-02-03 18:30

Details

DotNetNuke 9.5 contains a persistent cross-site scripting vulnerability that allows normal users to upload malicious XML files with executable scripts through journal tools. Attackers can upload XML files with XHTML namespace scripts to execute arbitrary JavaScript in users' browsers, potentially bypassing CSRF protections and performing more damaging attacks.

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:L/VI:L/VA:N/SC:L/SI:L/SA:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2020-37103"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-03T18:16:10Z",
    "severity": "MODERATE"
  },
  "details": "DotNetNuke 9.5 contains a persistent cross-site scripting vulnerability that allows normal users to upload malicious XML files with executable scripts through journal tools. Attackers can upload XML files with XHTML namespace scripts to execute arbitrary JavaScript in users\u0027 browsers, potentially bypassing CSRF protections and performing more damaging attacks.",
  "id": "GHSA-mwcw-c9qw-pvc9",
  "modified": "2026-02-03T18:30:44Z",
  "published": "2026-02-03T18:30:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-37103"
    },
    {
      "type": "WEB",
      "url": "https://medium.com/@SajjadPourali/dnn-dotnetnuke-cms-not-as-secure-as-you-think-e8516f789175"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/48124"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/dotnetnuke-persistent-cross-site-scripting"
    },
    {
      "type": "WEB",
      "url": "http://dnnsoftware.com"
    }
  ],
  "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:L/VI:L/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"
    }
  ]
}

CVE-2020-37103 (GCVE-0-2020-37103)

Vulnerability from cvelistv5 – Published: 2026-02-03 16:52 – Updated: 2026-02-06 20:12

Title

DotNetNuke 9.5 - Persistent Cross-Site Scripting

Summary

Severity ?

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/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

CWE

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

Assigner

VulnCheck

References

URL

Tags

	https://www.exploit-db.com/exploits/48124	exploit
	http://dnnsoftware.com/	product
	https://medium.com/@SajjadPourali/dnn-dotnetnuke-…	technical-description
	https://www.vulncheck.com/advisories/dotnetnuke-p…	third-party-advisory

Impacted products

	Vendor	Product	Version
	Dnnsoftware	DotNetNuke	Affected: 0 , ≤ 9.5 (semver)

Credits

Sajjad Pourali

Show details on NVD website

JSON

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-37103",
                "options": [
                  {
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                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-06T20:12:29.294499Z",
                "version": "2.0.3"
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        {
          "lang": "en",
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        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
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      "references": [
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          "name": "ExploitDB-48124",
          "tags": [
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          "url": "https://www.exploit-db.com/exploits/48124"
        },
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          "tags": [
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          "url": "http://dnnsoftware.com/"
        },
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        },
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    "dateReserved": "2026-02-01T13:16:06.489Z",
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  },
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}

Sightings

Author	Source	Type	Date

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-MWCW-C9QW-PVC9

CVE-2020-37103 (GCVE-0-2020-37103)

Tags

Sightings

Nomenclature