Vulnerability-Lookup

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

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

KEVIntel

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

References

1 reference

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

Impacted products

1 product

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

Credits

Phil Taylor, mysites.guru

KEVIntel

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

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FKIE_CVE-2026-49049

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

KEVIntel

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": [
    {
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              "versionEndIncluding": "3.1.1",
              "versionStartIncluding": "1.0",
              "vulnerable": true
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          "negate": false,
          "operator": "OR"
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    }
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    }
  ],
  "id": "CVE-2026-49049",
  "lastModified": "2026-06-30T17:18:06.617",
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          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
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          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
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          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
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        "type": "Secondary"
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      "tags": [
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      "url": "https://www.joomshaper.com/"
    }
  ],
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      "type": "Secondary"
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}

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.

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

KEVIntel

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