Vulnerability-Lookup

CVE-2026-9421 (GCVE-0-2026-9421)

Vulnerability from cvelistv5 – Published: 2026-05-25 03:15 – Updated: 2026-05-26 14:40

Title

KLiK SocialMediaWebsite File upload.inc.php uniqid unrestricted upload

Summary

A vulnerability was determined in KLiK SocialMediaWebsite 1.0. This vulnerability affects the function uniqid of the file upload.inc.php of the component File Handler. This manipulation causes unrestricted upload. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Severity

6.9 (Medium)


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

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

7.3 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-26 14:40 UTC

CWE

CWE-434 - Unrestricted Upload
CWE-284 - Improper Access Controls

Assigner

VulDB

References

3 references

URL	Tags
https://vuldb.com/vuln/365402	vdb-entrytechnical-description
https://vuldb.com/vuln/365402/cti	signaturepermissions-required
https://vuldb.com/submit/813725	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
n/a	KLiK SocialMediaWebsite	Affected: 1.0 cpe:2.3:a:klik_socialmediawebsite:klik_socialmediawebsite::::::::

Credits

g111 (VulDB User) VulDB Vulnerability Moderation Team

Show details on NVD website

JSON

To clipboard

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}

FKIE_CVE-2026-9421

Vulnerability from fkie_nvd - Published: 2026-05-25 04:16 - Updated: 2026-06-17 11:05

Severity

7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Summary

References

	URL	Tags
	cna@vuldb.com	https://vuldb.com/submit/813725
	cna@vuldb.com	https://vuldb.com/vuln/365402
	cna@vuldb.com	https://vuldb.com/vuln/365402/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:klik_socialmediawebsite:klik_socialmediawebsite:*:*:*:*:*:*:*:*"
          ],
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            "File Handler"
          ],
          "product": "KLiK SocialMediaWebsite",
          "vendor": "n/a",
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            }
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    }
  ],
  "id": "CVE-2026-9421",
  "lastModified": "2026-06-17T11:05:13.090",
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          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
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          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
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          "role": "CISA Coordinator",
          "timestamp": "2026-05-26T14:40:30.863049Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-25T04:16:26.300",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/813725"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/365402"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/365402/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        },
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-FHGP-Q8X3-7FX5

Vulnerability from github – Published: 2026-05-26 13:30 – Updated: 2026-05-26 13:30

Details

Severity

7.3 (High)


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

5.5 (Medium)


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

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2026-9421"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-25T04:16:26Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability was determined in KLiK SocialMediaWebsite 1.0. This vulnerability affects the function uniqid of the file upload.inc.php of the component File Handler. This manipulation causes unrestricted upload. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.",
  "id": "GHSA-fhgp-q8x3-7fx5",
  "modified": "2026-05-26T13:30:38Z",
  "published": "2026-05-26T13:30:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9421"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/813725"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/365402"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/365402/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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-2026-9421 (GCVE-0-2026-9421)

FKIE_CVE-2026-9421

GHSA-FHGP-Q8X3-7FX5

Tags

Sightings

Nomenclature