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Fencer Vulns
high 8.4

CVE-2025-56803 json

Figma Desktop for Windows version 125.6.5 contains a command injection vulnerability in the local plugin loader.

published 2025-09-03 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-26625

cvss
8.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

Figma Desktop for Windows version 125.6.5 contains a command injection vulnerability in the local plugin loader. An attacker can execute arbitrary OS commands by setting a crafted build field in the plugin's manifest.json. This field is passed to child_process.exec without validation, leading to possible RCE. NOTE: this is disputed by the Supplier because the behavior only allows a local user to attack himself via a local plugin. The local build procedure, which is essential to the attack, is not executed for plugins shared to the Figma Community.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
14 mo ago

Exploit prediction

1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • shinycolumn.notion.site https://shinycolumn.notion.site/figma-command-injection referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/shinyColumn/CVE-2025-56803 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.