Is dompurify affected by CVE-2026-41240?

npm dompurify is affected in <3.4.0.

Is CVE-2026-41240 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

medium

CVE-2026-41240

Q: Is CVE-2026-41240 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

npm · dompurify

Summary

DOMPurify: FORBID_TAGS bypassed by function-based ADD_TAGS predicate (asymmetry with FORBID_ATTR fix)

Severity: medium
EPSS: 0.3% (p17)
Also known as: GHSA-h7mw-gpvr-xq4m
Published: 2026-04-22

References

https://github.com/cure53/DOMPurify/security/advisories/GHSA-h7mw-gpvr-xq4m
https://nvd.nist.gov/vuln/detail/CVE-2026-41240
https://github.com/cure53/DOMPurify/commit/c361baa18dbdcb3344a41110f4c48ad85bf48f80

Related advisories

CVE-2026-47423 — high · npm/dompurify
GHSA-cmwh-pvxp-8882 — medium · npm/dompurify
CVE-2026-49978 — medium · npm/dompurify
GHSA-76mc-f452-cxcm — medium · npm/dompurify
CVE-2026-49458 — medium · npm/dompurify
CVE-2026-49459 — medium · npm/dompurify
CVE-2026-41239 — medium · npm/dompurify
CVE-2026-41238 — medium · npm/dompurify

Is your project exposed to this? Stateward checks every dependency on every pull request and flags it only if your code actually reaches it.

Check my repo

Summarize with AI

ChatGPT Claude Perplexity

Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.