CVE-2026-9420 (GCVE-0-2026-9420)

Vulnerability from cvelistv5 – Published: 2026-05-25 03:00 – Updated: 2026-05-26 14:21
VLAI
Title
KLiK SocialMediaWebsite HTTP GET Request Parameter injection
Summary
A vulnerability was found in KLiK SocialMediaWebsite 1.0. This affects an unknown part of the component HTTP GET Request Parameter Handler. The manipulation results in injection. It is possible to launch the attack remotely. The exploit has been made public and could be used.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/365401 vdb-entry
https://vuldb.com/vuln/365401/cti signaturepermissions-required
https://vuldb.com/submit/813723 third-party-advisory
https://vuldb.com/submit/813730 third-party-advisory
https://vuldb.com/submit/813731 third-party-advisory
https://vuldb.com/submit/813732 third-party-advisory
Impacted products
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
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-9420",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-26T14:14:48.344855Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-26T14:21:42.039Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:klik_socialmediawebsite:klik_socialmediawebsite:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "HTTP GET Request Parameter Handler"
          ],
          "product": "KLiK SocialMediaWebsite",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "1.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "g111 (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB Vulnerability Moderation Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in KLiK SocialMediaWebsite 1.0. This affects an unknown part of the component HTTP GET Request Parameter Handler. The manipulation results in injection. It is possible to launch the attack remotely. The exploit has been made public and could be used."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 7.5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-74",
              "description": "Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-707",
              "description": "Improper Neutralization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-25T03:00:12.536Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-365401 | KLiK SocialMediaWebsite HTTP GET Request Parameter injection",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/365401"
        },
        {
          "name": "VDB-365401 | CTI Indicators (IOB, IOC, TTP)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/365401/cti"
        },
        {
          "name": "Submit #813723 | SourceCodester SourceCodester KLiK Social Media Website v1.0.1 CRLF Injection",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/813723"
        },
        {
          "name": "Submit #813730 | SourceCodester SourceCodester KLiK Social Media Website v1.0.1 CRLF Injection (Duplicate)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/813730"
        },
        {
          "name": "Submit #813731 | SourceCodester SourceCodester KLiK Social Media Website v1.0.1 CRLF Injection (Duplicate)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/813731"
        },
        {
          "name": "Submit #813732 | SourceCodester SourceCodester KLiK Social Media Website v1.0.1 CRLF Injection (Duplicate)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/813732"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-05-24T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-05-24T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-05-24T08:57:02.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "KLiK SocialMediaWebsite HTTP GET Request Parameter injection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-9420",
    "datePublished": "2026-05-25T03:00:12.536Z",
    "dateReserved": "2026-05-24T06:51:54.205Z",
    "dateUpdated": "2026-05-26T14:21:42.039Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-9420",
      "date": "2026-05-30",
      "epss": "0.00042",
      "percentile": "0.13073"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-9420\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-05-25T04:16:26.110\",\"lastModified\":\"2026-05-26T19:54:40.357\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability was found in KLiK SocialMediaWebsite 1.0. This affects an unknown part of the component HTTP GET Request Parameter Handler. The manipulation results in injection. It is possible to launch the attack remotely. The exploit has been made public and could be used.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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\",\"baseScore\":2.1,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"PASSIVE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L\",\"baseScore\":6.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":3.4}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-74\"},{\"lang\":\"en\",\"value\":\"CWE-707\"}]}],\"references\":[{\"url\":\"https://vuldb.com/submit/813723\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/813730\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/813731\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/813732\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/365401\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/365401/cti\",\"source\":\"cna@vuldb.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-9420\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-26T14:14:48.344855Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-26T14:19:24.666Z\"}}], \"cna\": {\"title\": \"KLiK SocialMediaWebsite HTTP GET Request Parameter injection\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"g111 (VulDB User)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"VulDB Vulnerability Moderation Team\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 7.5, \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR\"}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:klik_socialmediawebsite:klik_socialmediawebsite:*:*:*:*:*:*:*:*\"], \"vendor\": \"n/a\", \"modules\": [\"HTTP GET Request Parameter Handler\"], \"product\": \"KLiK SocialMediaWebsite\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-05-24T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-05-24T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-05-24T08:57:02.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/365401\", \"name\": \"VDB-365401 | KLiK SocialMediaWebsite HTTP GET Request Parameter injection\", \"tags\": [\"vdb-entry\"]}, {\"url\": \"https://vuldb.com/vuln/365401/cti\", \"name\": \"VDB-365401 | CTI Indicators (IOB, IOC, TTP)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/submit/813723\", \"name\": \"Submit #813723 | SourceCodester SourceCodester KLiK Social Media Website v1.0.1 CRLF Injection\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/813730\", \"name\": \"Submit #813730 | SourceCodester SourceCodester KLiK Social Media Website v1.0.1 CRLF Injection (Duplicate)\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/813731\", \"name\": \"Submit #813731 | SourceCodester SourceCodester KLiK Social Media Website v1.0.1 CRLF Injection (Duplicate)\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/813732\", \"name\": \"Submit #813732 | SourceCodester SourceCodester KLiK Social Media Website v1.0.1 CRLF Injection (Duplicate)\", \"tags\": [\"third-party-advisory\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability was found in KLiK SocialMediaWebsite 1.0. This affects an unknown part of the component HTTP GET Request Parameter Handler. The manipulation results in injection. It is possible to launch the attack remotely. The exploit has been made public and could be used.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-74\", \"description\": \"Injection\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-707\", \"description\": \"Improper Neutralization\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-05-25T03:00:12.536Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-9420\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-26T14:21:42.039Z\", \"dateReserved\": \"2026-05-24T06:51:54.205Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-05-25T03:00:12.536Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.