Vulnerability-Lookup

CVE-2026-41147 (GCVE-0-2026-41147)

Vulnerability from cvelistv5 – Published: 2026-05-22 21:45 – Updated: 2026-05-26 16:12

Title

NukeViet CMS: Stored Cross-Site Scripting (XSS) via insufficient server-side input sanitization in Request class

Summary

NukeViet CMS is a multi Content Management System. Versions 4.5.07 and prior contain a Stored Cross-Site Scripting (XSS) vulnerability caused by insufficient server-side input sanitization in the Request class. The application relies primarily on client-side filtering to sanitize HTML tags and attributes in user-submitted content, which can be bypassed by intercepting and modifying HTTP requests directly (e.g., using Burp Suite). An attacker can inject malicious payloads which are stored server-side and executed in the browser of any user who views the content. Anyone viewing user-submitted content (such as administrators and moderators reviewing contact messages or comments) is impacted, and the vulnerability can be exploited by any anonymous visitor without authentication, with the Contact module used only as a proof of concept. Potential consequences include session hijacking through cookie theft, unauthorized actions performed under the victim's identity, defacement or redirection to phishing pages, and phishing attacks via manipulated email notifications. This issue has been fixed in version 4.5.08. If developers are unable to upgrade immediately, they should work around this issue by implementing server-side HTML sanitization in the Request class to strip or encode dangerous tags and attributes (e.g., <iframe>, srcdoc, event handlers like onerror/onload), enforcing a Content Security Policy (CSP) to restrict inline script execution, and set cookies with the HttpOnly flag to mitigate cookie theft via XSS.

Severity

8.7 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-26 16:12 UTC

CWE

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

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/nukeviet/nukeviet/security/adv…	x_refsource_CONFIRM
https://github.com/nukeviet/nukeviet/commit/2a086…	x_refsource_MISC
https://github.com/nukeviet/nukeviet/releases/tag…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
nukeviet	nukeviet	Affected: < 4.5.08

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-41147

Vulnerability from fkie_nvd - Published: 2026-05-22 22:16 - Updated: 2026-07-23 11:10

Severity

8.7 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/nukeviet/nukeviet/commit/2a0860fbe22e2f6a3b90f802bf80b25e18699611
	security-advisories@github.com	https://github.com/nukeviet/nukeviet/releases/tag/4.5.08
	security-advisories@github.com	https://github.com/nukeviet/nukeviet/security/advisories/GHSA-64rr-pp78-62ww

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

GHSA-64RR-PP78-62WW

Vulnerability from github – Published: 2026-05-15 16:45 – Updated: 2026-06-08 23:20

Summary

NukeViet CMS: Stored Cross-Site Scripting (XSS) via insufficient server-side input sanitization in Request class

Details

Impact

NukeViet CMS <= 4.5.08 contains a Stored Cross-Site Scripting (XSS) vulnerability caused by insufficient server-side input sanitization in the Request class. The application relies primarily on client-side filtering to sanitize HTML tags and attributes in user-submitted content, which can be bypassed by intercepting and modifying HTTP requests directly (e.g., using Burp Suite).

This affects any module or functionality that accepts user HTML input through the Request class. An attacker can inject malicious payloads such as <iframe srcdoc="<img src=1 onerror=alert(document.cookie)>"></iframe>, which are stored server-side and executed in the browser of any user who views the content.

Who is impacted: - Administrators and moderators who view user-submitted content (e.g., contact messages, comments, or any module using the Request class for HTML input). - The Contact module was used as a proof of concept, but the vulnerability is not limited to this module. - No authentication is required to exploit this vulnerability, making it accessible to any anonymous visitor.

Potential impact includes: - Session hijacking via cookie theft (for non-HttpOnly cookies) - Performing actions on the application under the victim's identity - Defacement or redirection to phishing pages - Phishing attacks via manipulated email notifications

Patches

This vulnerability has been fixed in NukeViet 4.5.08. Users should upgrade to version >= 4.5.08.

Workarounds

Implement server-side HTML sanitization in the Request class to strip or encode dangerous tags and attributes (e.g., <iframe>, srcdoc, event handlers such as onerror, onload).
Apply a Content Security Policy (CSP) header to restrict inline script execution.
Ensure cookies are set with the HttpOnly flag to mitigate cookie theft via XSS.

Resources

Affected source: https://github.com/nukeviet/nukeviet/blob/nukeviet4.5/modules/contact/funcs/main.php
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'): https://cwe.mitre.org/data/definitions/79.html

Severity

8.7 (High)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "nukeviet/nukeviet"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "4.4.01"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-41147"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-15T16:45:03Z",
    "nvd_published_at": "2026-05-22T22:16:56Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nNukeViet CMS \u003c= 4.5.08 contains a Stored Cross-Site Scripting (XSS) vulnerability caused by insufficient server-side input sanitization in the Request class. The application relies primarily on client-side filtering to sanitize HTML tags and attributes in user-submitted content, which can be bypassed by intercepting and modifying HTTP requests directly (e.g., using Burp Suite).\n\nThis affects any module or functionality that accepts user HTML input through the Request class. An attacker can inject malicious payloads such as `\u003ciframe srcdoc=\"\u0026lt;img src=1 onerror=alert(document.cookie)\u0026gt;\"\u003e\u003c/iframe\u003e`, which are stored server-side and executed in the browser of any user who views the content.\n\n**Who is impacted:**\n- Administrators and moderators who view user-submitted content (e.g., contact messages, comments, or any module using the Request class for HTML input).\n- The Contact module was used as a proof of concept, but the vulnerability is not limited to this module.\n- No authentication is required to exploit this vulnerability, making it accessible to any anonymous visitor.\n\n**Potential impact includes:**\n- Session hijacking via cookie theft (for non-HttpOnly cookies)\n- Performing actions on the application under the victim\u0027s identity\n- Defacement or redirection to phishing pages\n- Phishing attacks via manipulated email notifications\n\n### Patches\n\nThis vulnerability has been fixed in NukeViet 4.5.08. Users should upgrade to version \u003e= 4.5.08.\n\n### Workarounds\n\n- Implement server-side HTML sanitization in the Request class to strip or encode dangerous tags and attributes (e.g., `\u003ciframe\u003e`, `srcdoc`, event handlers such as `onerror`, `onload`).\n- Apply a Content Security Policy (CSP) header to restrict inline script execution.\n- Ensure cookies are set with the `HttpOnly` flag to mitigate cookie theft via XSS.\n\n### Resources\n\n- Affected source: https://github.com/nukeviet/nukeviet/blob/nukeviet4.5/modules/contact/funcs/main.php\n- CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027): https://cwe.mitre.org/data/definitions/79.html",
  "id": "GHSA-64rr-pp78-62ww",
  "modified": "2026-06-08T23:20:55Z",
  "published": "2026-05-15T16:45:03Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/nukeviet/nukeviet/security/advisories/GHSA-64rr-pp78-62ww"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41147"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nukeviet/nukeviet/commit/2a0860fbe22e2f6a3b90f802bf80b25e18699611"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/nukeviet/nukeviet"
    },
    {
      "type": "WEB",
      "url": "https://github.com/nukeviet/nukeviet/releases/tag/4.5.08"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "NukeViet CMS: Stored Cross-Site Scripting (XSS) via insufficient server-side input sanitization in Request class"
}

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-2026-41147 (GCVE-0-2026-41147)

FKIE_CVE-2026-41147

GHSA-64RR-PP78-62WW

Impact

Patches

Workarounds

Resources

Tags

Sightings

Nomenclature