Vulnerability-Lookup

GHSA-C6PF-WCWH-MW6R

Vulnerability from github – Published: 2026-09-20 18:31 – Updated: 2026-09-20 18:31

Details

Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla < 6.2.7 - The extensions updateOSGallery(), reached via task=update_osgallery, read a JSON request body and called the value of a method field as a live PHP function, passing the value of a package field as its single argument, with no allow-list or is_callable() check of any kind. Any function name compatible with a single argument was directly reachable, including system, exec, shell_exec, and passthru.

Severity

9.4 (Critical)


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

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-88856"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-20T18:16:54Z",
    "severity": "CRITICAL"
  },
  "details": "Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla \u003c 6.2.7 - The extensions updateOSGallery(), reached via task=update_osgallery, read a JSON request body and called the value of a method field as a live PHP function, passing the value of a package field as its single argument, with no allow-list or is_callable() check of any kind. Any function name compatible with a single argument was directly reachable, including system, exec, shell_exec, and passthru.",
  "id": "GHSA-c6pf-wcwh-mw6r",
  "modified": "2026-09-20T18:31:22Z",
  "published": "2026-09-20T18:31:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-88856"
    },
    {
      "type": "WEB",
      "url": "https://www.OrdaSoft.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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"
    }
  ]
}

CVE-2026-88856 (GCVE-0-2026-88856)

Vulnerability from cvelistv5 – Published: 2026-09-20 17:50 – Updated: 2026-09-22 04:43

Title

Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla < 6.2.7

Summary

Severity

9.4 (Critical)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-21 14:05 UTC

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

Joomla mitre root

References

1 reference

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

Impacted products

2 products

Vendor	Product	Version
OrdaSoft.com	OrdaSoft Joomla Gallery free extension for Joomla	Affected: 1.0.0-6.2.6
OrdaSoft.com	OrdaSoft Joomla Gallery extension for Joomla	Affected: 1.0.0-6.2.6

Credits

Ala Arfaoui

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-88856",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-21T14:05:46.113282Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-21T14:06:13.022Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "packageName": "com_osgallery_light",
          "product": "OrdaSoft Joomla Gallery free extension for Joomla",
          "vendor": "OrdaSoft.com",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0-6.2.6"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "packageName": "com_osgallery",
          "product": "OrdaSoft Joomla Gallery extension for Joomla",
          "vendor": "OrdaSoft.com",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0-6.2.6"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Ala Arfaoui"
        }
      ],
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
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            "providerUrgency": "NOT_DEFINED",
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            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
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              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-09-22T04:43:35.909Z",
        "orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
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      "references": [
        {
          "tags": [
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          "url": "https://www.OrdaSoft.com/"
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      ],
      "source": {
        "discovery": "UNKNOWN"
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    "datePublished": "2026-09-20T17:50:04.065Z",
    "dateReserved": "2026-09-10T10:27:00.130Z",
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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.

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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.

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GHSA-C6PF-WCWH-MW6R

CVE-2026-88856 (GCVE-0-2026-88856)

Tags

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