Vulnerability-Lookup

GHSA-35PF-37C6-JXJV

Vulnerability from github – Published: 2026-03-25 19:41 – Updated: 2026-03-27 21:35

Summary

PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables

Details

Impact

Multiple stored Cross-Site Scripting (stored XSS) vulnerabilities in the BO: an attacker who can inject data into the database, via limited back-office access or a previously existing vulnerability, can exploit unprotected variables in back-office templates.

Patches

Patched on 8.2.5 and 9.1.0

Workarounds

None

References

None

Severity

7.6 (High)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "prestashop/prestashop"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0-alpha.1"
            },
            {
              "fixed": "9.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "prestashop/prestashop"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-33673"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-25T19:41:50Z",
    "nvd_published_at": "2026-03-26T22:16:30Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nMultiple stored Cross-Site Scripting (stored XSS) vulnerabilities in the BO: an attacker who can inject data into the database, via limited back-office access or a previously existing vulnerability, can exploit unprotected variables in back-office templates.\n\n### Patches\nPatched on 8.2.5 and 9.1.0\n\n### Workarounds\nNone\n\n### References\nNone",
  "id": "GHSA-35pf-37c6-jxjv",
  "modified": "2026-03-27T21:35:44Z",
  "published": "2026-03-25T19:41:50Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjv"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33673"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/PrestaShop/PrestaShop"
    },
    {
      "type": "WEB",
      "url": "https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables"
}

CVE-2026-33673 (GCVE-0-2026-33673)

Vulnerability from cvelistv5 – Published: 2026-03-26 21:41 – Updated: 2026-03-27 20:27

Title

PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables

Summary

PrestaShop is an open source e-commerce web application. Versions prior to 8.2.5 and 9.1.0 are vulnerable to stored Cross-Site Scripting (stored XSS) vulnerabilities in the BO. An attacker who can inject data into the database, via limited back-office access or a previously existing vulnerability, can exploit unprotected variables in back-office templates. Versions 8.2.5 and 9.1.0 contain a fix. No known workarounds are available.

Severity

7.7 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-27 20:27 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/PrestaShop/PrestaShop/security…	x_refsource_CONFIRM
https://github.com/PrestaShop/PrestaShop/releases…	x_refsource_MISC
https://github.com/PrestaShop/PrestaShop/releases…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
PrestaShop	PrestaShop	Affected: >= 9.0.0-alpha.1, < 9.1.0 Affected: < 8.2.5

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-33673",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-27T20:27:27.559622Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-27T20:27:40.683Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "PrestaShop",
          "vendor": "PrestaShop",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 9.0.0-alpha.1, \u003c 9.1.0"
            },
            {
              "status": "affected",
              "version": "\u003c 8.2.5"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "PrestaShop is an open source e-commerce web application. Versions prior to 8.2.5 and 9.1.0 are vulnerable to stored Cross-Site Scripting (stored XSS) vulnerabilities in the BO. An attacker who can inject data into the database, via limited back-office access or a previously existing vulnerability, can exploit unprotected variables in back-office templates. Versions 8.2.5 and 9.1.0 contain a fix. No known workarounds are available."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-26T21:41:13.249Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjv",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjv"
        },
        {
          "name": "https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5"
        },
        {
          "name": "https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0"
        }
      ],
      "source": {
        "advisory": "GHSA-35pf-37c6-jxjv",
        "discovery": "UNKNOWN"
      },
      "title": "PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-33673",
    "datePublished": "2026-03-26T21:41:13.249Z",
    "dateReserved": "2026-03-23T16:34:59.930Z",
    "dateUpdated": "2026-03-27T20:27:40.683Z",
    "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.

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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.

Action not permitted

GHSA-35PF-37C6-JXJV

Impact

Patches

Workarounds

References

CVE-2026-33673 (GCVE-0-2026-33673)

Tags

Sightings

Nomenclature

Related by attack behaviour