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Fencer Vulns
medium 6.1

CVE-2022-23474 json

editor.js contains Code Injection

published 2022-12-15 3 y ago modified 2026-06-17 4 mo ago also GHSA-6mvj-2569-3mcm , EUVD-2024-2515

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

Editor.js is a block-style editor with clean JSON output. Versions prior to 2.26.0 are vulnerable to Code Injection via pasted input. The processHTML method passes pasted input into wrapper’s innerHTML. This issue is patched in version 2.26.0.

Patch / fix

  • npm @editorjs/editorjs 2.26.0
  • codex editor.js 2.26.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/codex-team/editor.js/pull/2100 referenced PoC, tagged "exploit" by a source, unverified
  • securitylab.github.com https://securitylab.github.com/advisories/GHSL-2022-028_codex-team_editor_js/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
npm @editorjs/editorjs
<2.26.0
2.26.0

Affected products

  • codex-team editor.js

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.