Read the docs
TI-2026-57171 Aliases CVE-2026-82867GHSA-q78q-xrxw-xgx6

@pdfme/schemas before 5.5.9 Cross-Site Scripting via Select

Priority MEDIUM 57CWE-79Published · Updated

Key facts

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

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

Summary

@pdfme/schemas before 5.5.9 contains a cross-site scripting vulnerability in the Select schema plugin that fails to sanitize option values before interpolating them into HTML via innerHTML. Attackers can supply malicious templates with crafted option values containing HTML and JavaScript to execute arbitrary code in users' browsers.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0031 24th percentileScored 2026-11-07
Fix Fixed schemas (pdfme): 5.5.9

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
pdfmeschemasbefore 5.5.95.5.9Patch availableCNA
  • schemas Vendorpdfme Affected before 5.5.9 Fixed in 5.5.9 Patch available CNA

Remediation

  • Fix · CNA schemas (pdfme) Fixed in 5.5.9

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    pdfme schemas 5.5.9

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2026-57172 @pdfme/schemas before 5.5.9 Cross-Site Scripting via SVGPriority MEDIUM 57

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-82867
  2. 2026-10-03 Alias added: GHSA-q78q-xrxw-xgx6

References

  • TI-2026-79748 Server-side request forgery in @pdfme/common denylist bypass CVSS 4.0HIGH 8.9
  • TI-2026-57170 @pdfme/common before 5.5.10 SSRF via Unvalidated URL Fetch CVSS 4.0HIGH 8.9
  • TI-2025-33553 pdfme has Sandbox Escape and Prototype Pollution vulnerabilities in pdfme expression evaluation CVSS 3.1MEDIUM 6.1
  • TI-2026-57172 @pdfme/schemas before 5.5.9 Cross-Site Scripting via SVG CVSS 4.0MEDIUM 5.3
  • TI-2026-57169 pdfme schemas before 5.5.10 Cross-Site Scripting via i18n Label CVSS 4.0LOW 2.1
  • TI-2026-57168 pdfme pdf-lib before 5.5.10 Denial of Service via Decompression Bomb CVSS 4.0HIGH 7.1

Sources