How many CVEs have patched safety?

3 published CVEs changed safety in cure53/dompurify, in 2 distinct patches totalling 290 changed lines, between 2026 and 2026.

What is the latest CVE that changed safety?

CVE-2026-49978 (DOMPurify IN_PLACE Sanitization Bypass via Attached Shadow Root Inside .content), published 2026-07-14, changed lines 1148 to 1205 of src/purify.ts.

How does safety compare to the rest of cure53/dompurify?

cure53/dompurify has 17 CVEs with a located fix in total; 3 of them changed safety.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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Weaknesses (CWE)The MITRE CWE weakness catalog
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Patched Functions
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Dompurify
Safety

safety in cure53/dompurify: Patched by 3 CVEs

cure53/dompurify

Function

safety

Name: safety in cure53/dompurify: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

src/purify.ts

Last patched July 14, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

290

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

safety in cure53/dompurify was changed by 3 published CVE fixes in 2026, in 2 distinct patches that added or removed 290 lines in total.

cure53/dompurify has 17 CVEs with a located fix in total, so 18% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed safety, newest first, with the lines each fix touched.

On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References

DOMPurify IN_PLACE Sanitization Bypass via Attached Shadow Root Inside .content
CVE-2026-49978 · lines 1148–1205 · +0 −68 in 4 hunks
Medium · CVSS 6.3
EPSS 0.4%2026-07-14
DOMPurify: IN_PLACE mode preserves attributes of a clobbered root element, allowing XSS via attacker-controlled root DOM
CVE-2026-49459 · lines 1118–1226 · +101 −10
Medium · CVSS 6.1
EPSS 0.4%2026-07-14
DOMPurify: Cross-realm IN_PLACE sanitization leaves executable markup intact via realm-bound `instanceof` checks
CVE-2026-49458 · lines 1118–1226 · +101 −10
Medium · CVSS 6.1
EPSS 0.4%2026-07-14

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1createDOMPurifysrc/purify.ts8 CVEs · 8 patches2026
2clonesrc/purify.ts2 CVEs · 2 patches2026
3getNodeNamesrc/purify.ts2 CVEs · 1 patches2026
4allsrc/purify.ts1 CVEs · 1 patches2026

Other hotspots in the repository

Functions in cure53/dompurify changed by the most CVE fixes.

createDOMPurify8 CVEs · src/purify.ts createDOMPurify5 CVEs · src/purify.js clone2 CVEs · src/purify.ts getNodeName2 CVEs · src/purify.ts all1 CVEs · src/purify.ts clone1 CVEs · src/utils.js

All patched functions in cure53/dompurify

Frequently asked questions

Common questions about CVE fixes to safety.

How many CVEs have patched safety?: 3 published CVEs changed safety in cure53/dompurify, in 2 distinct patches totalling 290 changed lines, between 2026 and 2026.
What is the latest CVE that changed safety?: CVE-2026-49978 (DOMPurify IN_PLACE Sanitization Bypass via Attached Shadow Root Inside .content), published 2026-07-14, changed lines 1148 to 1205 of src/purify.ts.
How does safety compare to the rest of cure53/dompurify?: cure53/dompurify has 17 CVEs with a located fix in total; 3 of them changed safety.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

src/purify.ts on GitHub (opens in a new tab)
All patched functions in cure53/dompurify
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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