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TI-2025-33553 Aliases CVE-2025-53626GHSA-54xv-94qv-2gfg

pdfme has Sandbox Escape and Prototype Pollution vulnerabilities in pdfme expression evaluation

Priority MEDIUM 60CWE-1321Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting, Code execution
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79 and CWE-94.

Summary

pdfme is a TypeScript-based PDF generator and React-based UI. The expression evaluation feature in pdfme 5.2.0 to 5.4.0 contains critical vulnerabilities allowing sandbox escape leading to XSS and prototype pollution attacks. This vulnerability is fixed in 5.4.1.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00329 26th percentileScored 2026-11-07
Fix Fixed pdfme (pdfme): 5.4.1@pdfme/common (npm): 5.4.1

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
pdfmepdfme5.2.0 to before 5.4.15.4.1Patch availableCNA
—@pdfme/common (npm)5.2.0 to before 5.4.15.4.1Patch availableGHSA-54xv-94qv-2gfg
  • pdfme Vendorpdfme Affected 5.2.0 to before 5.4.1 Fixed in 5.4.1 Patch available CNA
  • @pdfme/common (npm) Vendor— Affected 5.2.0 to before 5.4.1 Fixed in 5.4.1 Patch available GHSA-54xv-94qv-2gfg

Remediation

  • Fix · CNA pdfme (pdfme) Fixed in 5.4.1
  • Fix · GHSA-54xv-94qv-2gfg @pdfme/common (npm) Fixed in 5.4.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-53626
  2. 2026-10-03 Alias added: GHSA-54xv-94qv-2gfg

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-2026-57172 @pdfme/schemas before 5.5.9 Cross-Site Scripting via SVG CVSS 4.0MEDIUM 5.3
  • TI-2026-57171 @pdfme/schemas before 5.5.9 Cross-Site Scripting via Select 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