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Fencer Vulns
medium 5.4

CVE-2021-31712 json

Cross-site Scripting in React Draft Wysiwyg

published 2021-04-24 5 y ago modified 2026-06-17 4 mo ago also GHSA-qcg2-h349-vwm3 , EUVD-2021-1166

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

react-draft-wysiwyg (aka React Draft Wysiwyg) before 1.14.6 allows a javascript: URi in a Link Target of the link decorator in decorators/Link/index.js when a draft is shared across users, leading to XSS.

Patch / fix

  • npm react-draft-wysiwyg 1.14.6
  • react_draft_wysiwyg_project react_draft_wysiwyg 1.14.6

Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/jpuri/react-draft-wysiwyg/issues/1102 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
npm react-draft-wysiwyg
<1.14.6
1.14.6

Classification

Weakness
  • 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.