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TI-2026-79540 Aliases CVE-2026-55600

Stored HTML injection in Part-DB BOM validation results

Priority MEDIUM 59CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
Attack complexity
Low
Attack requirements
Present
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Part-DB-server before 2.12.2 renders BOM validation messages with Twig's raw filter, so user-controlled Part names are not escaped (CWE-79). A user who can edit a Part name can store HTML in it, which renders on another user's validation page after that user imports a BOM CSV referencing the Part. The Content Security Policy appears to block JavaScript, but injected links, forms and images can still alter a trusted page. An attacker needs low privileges and user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

Part-DB is an open source inventory management system for electronic components. Prior to version 2.12.2, Part-DB renders BOM validation information messages using Twig's |raw filter. These messages include translated placeholders populated with user-controlled Part names. A user who can edit a Part name can store HTML markup in the Part name. When another user imports a BOM CSV referencing that Part ID, the malicious Part name is rendered as HTML in the victim's BOM validation result page. This results in a cross-user stored HTML injection issue. JavaScript execution appears to be blocked by the current Content Security Policy, but arbitrary HTML links, forms, images, and CSS-based UI elements can still be injected into a trusted Part-DB page. This issue has been patched in version 2.12.2.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00443 38th percentileScored 2026-11-07
Fix Fixed Part-DB-server (Part-DB): 2.12.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Part-DBPart-DB-serverbefore 2.12.22.12.2Patch availableCNA
  • Part-DB-server VendorPart-DB Affected before 2.12.2 Fixed in 2.12.2 Patch available CNA

Remediation

Upgrade Part-DB-server to version 2.12.2, which fixes the issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

  • Fix · CNA Part-DB-server (Part-DB) Fixed in 2.12.2

Timeline

  1. 2026-10-23 Threatist record created from CVE-2026-55600
  2. 2026-10-23 Priority changed: MEDIUM → LOW
  3. 2026-10-30 CISA SSVC decision points changed
  4. 2026-10-30 Priority changed: LOW → MEDIUM

References

Other 2

  • TI-2026-79546 Password reset link poisoning in Part-DB allows account takeover CVSS 4.0HIGH 8.7
  • TI-2019-15485 Part-DB 0.4 Authentication Bypass via login.php CVSS 4.0HIGH 8.8
  • TI-2026-79538 Part-DB attachment upload allows PHP execution via .phar files CVSS 3.1CRITICAL 9.6
  • TI-2022-00754 OS Command Injection in part-db/part-db CVSS 3.1CRITICAL 9.8
  • TI-2026-79539 Hardcoded APP_SECRET in Part-DB enables forged login cookies CVSS 3.1MEDIUM 6.3
  • TI-2025-34870 Part-DB Persistent Denial of Service via Uncaught Exception from Misleading File Extension in Avatar Upload CVSS 3.1MEDIUM 5.7
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences