CVE-2026-59188

Part-DB: SVG Sanitization Bypass via Extension Spoofing Leads to Stored XSS in Attachment Viewer

Medium 5.4

Part-DB is an open source inventory management system for electronic components. Prior to version 2.12.3, Part-DB-server sanitizes SVG files based solely on the user-controlled filename extension rather than actual file content type. An authenticated attacker can upload a malicious SVG with JavaScript payload using a non-SVG extension (e.g., .jpg), bypassing sanitization entirely. When any user views the attachment inline, the browser receives Content-Type: image/svg+xml and executes the embedded script in the Part-DB origin. This issue has been patched in version 2.12.3.

Assigner
GitHub_M

Published
2026-10-23

Updated
2026-10-23

Reserved
2026-07-02

Scores

Source	CVSS	Score	Severity	Vector
GitHub_M	3.1	5.4	Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses

Affected

Vendor	Product	Versions
Part-DB	Part-DB-server	< 2.12.3 (affected)

References

https://github.com/Part-DB/Part-DB-server/security/advisories/GHSA-2vhp-c958-m47j x_refsource_CONFIRM
https://github.com/Part-DB/Part-DB-server/releases/tag/v2.12.3 x_refsource_MISC

Full CVE JSON record (5.2)

API · GitHub · cve.org

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Part-DB-server",
          "vendor": "Part-DB",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.12.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Part-DB is an open source inventory management system for electronic components. Prior to version 2.12.3, Part-DB-server sanitizes SVG files based solely on the user-controlled filename extension rather than actual file content type. An authenticated attacker can upload a malicious SVG with JavaScript payload using a non-SVG extension (e.g., .jpg), bypassing sanitization entirely. When any user views the attachment inline, the browser receives Content-Type: image/svg+xml and executes the embedded script in the Part-DB origin. This issue has been patched in version 2.12.3."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "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"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-434",
              "description": "CWE-434: Unrestricted Upload of File with Dangerous Type",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-23T03:59:11.068Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/Part-DB/Part-DB-server/security/advisories/GHSA-2vhp-c958-m47j",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/Part-DB/Part-DB-server/security/advisories/GHSA-2vhp-c958-m47j"
        },
        {
          "name": "https://github.com/Part-DB/Part-DB-server/releases/tag/v2.12.3",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/Part-DB/Part-DB-server/releases/tag/v2.12.3"
        }
      ],
      "source": {
        "advisory": "GHSA-2vhp-c958-m47j",
        "discovery": "UNKNOWN"
      },
      "title": "Part-DB: SVG Sanitization Bypass via Extension Spoofing Leads to Stored XSS in Attachment Viewer"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-59188",
    "datePublished": "2026-10-23T03:59:11.068Z",
    "dateReserved": "2026-07-02T19:53:48.830Z",
    "dateUpdated": "2026-10-23T03:59:11.068Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}