Default webserver configuration with incorrect CSP

The default docker image shipped for Venueless did not properly ensure that uploaded SVG files could not be delivered with executable JavaScript content. A valid Content Security Policy is now set.

Problem type

CWE-80 Improper neutralization of Script-Related HTML tags in a web page (basic XSS)

Affected products

pretix

venueless

< 7dff888 - AFFECTED

References

github.com

https://github.com/venueless/venueless/security/advisories/GHSA-38wh-hqvm-xgfc

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-82838

Click to expand

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-82838",
    "assignerOrgId": "655498c3-6ec5-4f0b-aea6-853b334d05a6",
    "assignerShortName": "rami.io",
    "dateUpdated": "2026-08-31T07:44:09.516Z",
    "dateReserved": "2026-08-31T07:39:57.951Z",
    "datePublished": "2026-08-31T07:44:09.516Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "655498c3-6ec5-4f0b-aea6-853b334d05a6",
        "shortName": "rami.io",
        "dateUpdated": "2026-08-31T07:44:09.516Z"
      },
      "datePublic": "2026-08-31T07:40:00.000Z",
      "title": "Default webserver configuration with incorrect CSP",
      "descriptions": [
        {
          "lang": "en",
          "value": "The default docker image shipped for Venueless did not properly ensure that uploaded SVG files could not be delivered with executable JavaScript content. A valid Content Security Policy is now set.",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "The default docker image shipped for Venueless did not properly ensure that uploaded SVG files could not be delivered with executable JavaScript content. A valid Content S<span>ecurity Policy is now set.</span>"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "pretix",
          "product": "venueless",
          "collectionURL": "https://github.com",
          "packageName": "venueless/venueless",
          "repo": "https://github.com/venueless/venueless",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7dff888"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-80 Improper neutralization of Script-Related HTML tags in a web page (basic XSS)",
              "cweId": "CWE-80",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/venueless/venueless/security/advisories/GHSA-38wh-hqvm-xgfc"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-63",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-63 Cross-Site Scripting (XSS)"
            }
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Vignesh M",
          "type": "finder"
        }
      ]
    }
  }
}