Vulnerability-Lookup

CVE-2026-49049 (GCVE-0-2026-49049)

Vulnerability from cvelistv5 – Published: 2026-06-29 14:34 – Updated: 2026-08-12 13:58

ENISA Previdian

Title

Joomla Extension - joomshaper.com - Unauthenticated access to Helix3 template ajax handler

Summary

The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-29 15:27 UTC

CWE

CWE-284 - Improper Access Control

Assigner

Joomla mitre root

References

1 reference

URL	Tags
https://www.joomshaper.com/	product

Impacted products

1 product

Vendor	Product	Version	CPE status
joomshaper.com	Helix3 extension for Joomla	Affected: 1.0-3.1.1	guessed

Credits

Phil Taylor, mysites.guru

ENISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 61a6006a-482b-4483-a146-773b90ceac14

Vulnerability ID: CVE-2026-49049

Status: Confirmed

Status Updated: 2026-07-10 00:00 UTC

Exploited: Yes

Timestamps

First Seen: 2026-07-10

Asserted: 2026-07-10

Scope

Notes: Affected: JoomShaper / Helix3 extension for Joomla | Description: Helix3 plugin for Joomla exposes an ajax handler task that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters. | Patched since: 2026/06/29 | Exploitation type: unknown | CWEs: CWE-284 | Origin source: CNW | Notes: https://www.joomshaper.com/forum/question/45671

Evidence

Type: Csirt Report

Signal: Successful Exploitation

Confidence: 75%

Source: enisa-cnw-kev

Details

Cwes	CWE-284
Euvd	EUVD-2026-40122
Notes	https://www.joomshaper.com/forum/question/45671
Catalog	ENISA / EU CSIRTs Network (CNW) KEV JSON
Product	Helix3 extension for Joomla
Datereported	2026/07/10
Originsource	CNW
Patchedsince	2026/06/29
Vendorproject	JoomShaper
Exploitationtype	unknown
Vulnerabilityname
Threatactorsexploiting

References

Created: 2026-08-20 08:12 UTC | Updated: 2026-08-20 08:12 UTC

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 3984f8d8-b01a-4ae2-8c8f-29cf5a085dd0

Vulnerability ID: CVE-2026-49049

Status: Confirmed

Status Updated: 2026-08-11 08:44 UTC

Exploited: Yes

Timestamps

First Seen: 2026-08-11

Asserted: 2026-08-11

Scope

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details

Feed	KEVIntel (kevintel.com)
Title	Joomla Extension - joomshaper.com - Unauthenticated access to Helix3 template ajax handler
Vendor	joomshaper.com
Product	Helix3 extension for Joomla
Added Date	2026-08-11T08:44:44.938Z
Cvss Score	7.5
Epss Score	0.17701
Cvss Severity	HIGH
Epss Percentile	0.96866
Used In Malware	unknown
Ahead Of Cisa Kev	None
Not Yet In Cisa Kev	True

References

Created: 2026-08-11 09:00 UTC | Updated: 2026-08-11 09:00 UTC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-49049",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-29T15:27:43.202923Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-29T15:28:05.850Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Helix3 extension for Joomla",
          "vendor": "joomshaper.com",
          "versions": [
            {
              "status": "affected",
              "version": "1.0-3.1.1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Phil Taylor, mysites.guru"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters."
            }
          ],
          "value": "The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-1",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284 Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-12T13:58:11.940Z",
        "orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
        "shortName": "Joomla"
      },
      "references": [
        {
          "tags": [
            "product"
          ],
          "url": "https://www.joomshaper.com/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Joomla Extension - joomshaper.com - Unauthenticated access to Helix3 template ajax handler",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
    "assignerShortName": "Joomla",
    "cveId": "CVE-2026-49049",
    "datePublished": "2026-06-29T14:34:07.407Z",
    "dateReserved": "2026-05-27T09:16:31.897Z",
    "dateUpdated": "2026-08-12T13:58:11.940Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-49049",
      "date": "2026-09-23",
      "epss": "0.00992",
      "percentile": "0.61095"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Helix3 extension for Joomla",
                "vendor": "joomshaper.com",
                "versions": [
                  {
                    "status": "affected",
                    "version": "1.0-3.1.1"
                  }
                ]
              }
            ],
            "source": "security@joomla.org"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:ollyo:helix3:*:*:*:*:*:joomla\\!:*:*",
                    "matchCriteriaId": "525604F7-E698-4F49-BE2A-2D681C6E9848",
                    "versionEndIncluding": "3.1.1",
                    "versionStartIncluding": "1.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters."
          }
        ],
        "id": "CVE-2026-49049",
        "lastModified": "2026-06-30T17:18:06.617",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-49049",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "yes"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-29T15:27:43.202923Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-06-29T15:16:41.363",
        "references": [
          {
            "source": "security@joomla.org",
            "tags": [
              "Product"
            ],
            "url": "https://www.joomshaper.com/"
          }
        ],
        "sourceIdentifier": "security@joomla.org",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-284"
              }
            ],
            "source": "security@joomla.org",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "NETWORK",
                  "availabilityImpact": "NONE",
                  "baseScore": 7.5,
                  "baseSeverity": "HIGH",
                  "confidentialityImpact": "NONE",
                  "integrityImpact": "HIGH",
                  "privilegesRequired": "NONE",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-49049",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-06-29T15:27:43.202923Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-06-29T15:27:37.045Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Helix3 extension for Joomla",
              "vendor": "joomshaper.com",
              "versions": [
                {
                  "status": "affected",
                  "version": "1.0-3.1.1"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Phil Taylor, mysites.guru"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters."
                }
              ],
              "value": "The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters."
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-1",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-284",
                  "description": "CWE-284 Improper Access Control",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-08-12T13:58:11.940Z",
            "orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
            "shortName": "Joomla"
          },
          "references": [
            {
              "tags": [
                "product"
              ],
              "url": "https://www.joomshaper.com/"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Joomla Extension - joomshaper.com - Unauthenticated access to Helix3 template ajax handler",
          "x_generator": {
            "engine": "Vulnogram 0.1.0-dev"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
        "assignerShortName": "Joomla",
        "cveId": "CVE-2026-49049",
        "datePublished": "2026-06-29T14:34:07.407Z",
        "dateReserved": "2026-05-27T09:16:31.897Z",
        "dateUpdated": "2026-08-12T13:58:11.940Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-49049

Vulnerability from fkie_nvd - Published: 2026-06-29 15:16 - Updated: 2026-06-30 17:18

ENISA Previdian

Severity

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

Summary

The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters.

References

	URL	Tags
	security@joomla.org	https://www.joomshaper.com/	Product

Impacted products

	Vendor	Product	Version
	ollyo	helix3	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Helix3 extension for Joomla",
          "vendor": "joomshaper.com",
          "versions": [
            {
              "status": "affected",
              "version": "1.0-3.1.1"
            }
          ]
        }
      ],
      "source": "security@joomla.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ollyo:helix3:*:*:*:*:*:joomla\\!:*:*",
              "matchCriteriaId": "525604F7-E698-4F49-BE2A-2D681C6E9848",
              "versionEndIncluding": "3.1.1",
              "versionStartIncluding": "1.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters."
    }
  ],
  "id": "CVE-2026-49049",
  "lastModified": "2026-06-30T17:18:06.617",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-49049",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-29T15:27:43.202923Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-29T15:16:41.363",
  "references": [
    {
      "source": "security@joomla.org",
      "tags": [
        "Product"
      ],
      "url": "https://www.joomshaper.com/"
    }
  ],
  "sourceIdentifier": "security@joomla.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "security@joomla.org",
      "type": "Secondary"
    }
  ]
}

GHSA-XR7R-292V-JXG8

Vulnerability from github – Published: 2026-06-29 15:32 – Updated: 2026-06-29 18:31

Details

The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters.

Severity

7.5 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-49049"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-29T15:16:41Z",
    "severity": "HIGH"
  },
  "details": "The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters.",
  "id": "GHSA-xr7r-292v-jxg8",
  "modified": "2026-06-29T18:31:53Z",
  "published": "2026-06-29T15:32:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49049"
    },
    {
      "type": "WEB",
      "url": "https://www.joomshaper.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-49049 (GCVE-0-2026-49049)

ENISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Csirt Report Successful Exploitation Confidence: 75% Source: enisa-cnw-kev

Details

References

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Public Report Successful Exploitation Confidence: 70% Source: kevintel

Details

References

FKIE_CVE-2026-49049

GHSA-XR7R-292V-JXG8

Tags

Sightings

Nomenclature

Related by attack behaviour