Vulnerability-Lookup

GHSA-MQHG-V22X-PQJ8

Vulnerability from github – Published: 2026-01-02 22:51 – Updated: 2026-01-08 21:36

Summary

Bagisto is vulnerable to SSTI via name parameters provided by non-admin low-privilege users

Details

Summary

SSTI is possible via first name and last name parameters provided by lowest-privileged users.

Details

Go to http://127.0.0.1:8000/ and login or signup
Go to http://127.0.0.1:8000/customer/account/profile
Now edit the first name and last name to {{7*7}}
Notice it appears as 49

POC

Video attached with the report: https://github.com/user-attachments/assets/f93932b5-2a57-4f34-897e-4151a5168912

Impact

This can lead to RCE, command injection.

Severity

8.8 (High)


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

7.4 (High)


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

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JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "bagisto/bagisto"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.3.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-21449"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1336"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-02T22:51:40Z",
    "nvd_published_at": "2026-01-02T21:16:02Z",
    "severity": "HIGH"
  },
  "details": "### Summary\nSSTI is possible via first name and last name parameters provided by lowest-privileged users.\n### Details\n1. Go to `http://127.0.0.1:8000/` and login or signup \n2. Go to `http://127.0.0.1:8000/customer/account/profile`\n3. Now edit the first name and last name to {{7*7}}\n4. Notice it appears as 49\n\n### POC\n- Video attached with the report: https://github.com/user-attachments/assets/f93932b5-2a57-4f34-897e-4151a5168912\n\n### Impact\nThis can lead to RCE, command injection.",
  "id": "GHSA-mqhg-v22x-pqj8",
  "modified": "2026-01-08T21:36:05Z",
  "published": "2026-01-02T22:51:40Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/bagisto/bagisto/security/advisories/GHSA-mqhg-v22x-pqj8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21449"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bagisto/bagisto/commit/4144931da0014c696f9126132ce44d7cfbdb2761"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/bagisto/bagisto"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bagisto/bagisto/releases/tag/v2.3.10"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Bagisto is vulnerable to SSTI via name parameters provided by non-admin low-privilege users"
}

CVE-2026-21449 (GCVE-0-2026-21449)

Vulnerability from cvelistv5 – Published: 2026-01-02 20:35 – Updated: 2026-01-02 21:27

Title

Bagisto has SSTI via first and last name from low-privilege user (not admin)

Summary

Bagisto is an open source laravel eCommerce platform. Versions prior to 2.3.10 are vulnerable to server-side template injection via first name and last name from a low-privilege user. Version 2.3.10 fixes the issue.

Severity

7.4 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-02 21:27 UTC

CWE

CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/bagisto/bagisto/security/advis…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
bagisto	bagisto	Affected: < 2.3.10

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JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-21449",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-02T21:27:20.253411Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-02T21:27:39.053Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "bagisto",
          "vendor": "bagisto",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.3.10"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Bagisto is an open source laravel eCommerce platform. Versions prior to 2.3.10 are vulnerable to server-side template injection via first name and last name from a low-privilege user. Version 2.3.10 fixes the issue."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1336",
              "description": "CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-02T20:35:21.794Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/bagisto/bagisto/security/advisories/GHSA-mqhg-v22x-pqj8",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/bagisto/bagisto/security/advisories/GHSA-mqhg-v22x-pqj8"
        }
      ],
      "source": {
        "advisory": "GHSA-mqhg-v22x-pqj8",
        "discovery": "UNKNOWN"
      },
      "title": "Bagisto has SSTI via first and last name from low-privilege user (not admin)"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-21449",
    "datePublished": "2026-01-02T20:35:21.794Z",
    "dateReserved": "2025-12-29T03:00:29.277Z",
    "dateUpdated": "2026-01-02T21:27:39.053Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

GHSA-MQHG-V22X-PQJ8

Summary

Details

POC

Impact

CVE-2026-21449 (GCVE-0-2026-21449)

Tags

Sightings

Nomenclature

Related by attack behaviour