How many CVEs have patched sanitizeHtml?

3 published CVEs changed sanitizeHtml in n8n-io/n8n, in 3 distinct patches totalling 80 changed lines, between 2025 and 2026.

What is the latest CVE that changed sanitizeHtml?

CVE-2026-27578 (n8n Vulnerable to Stored XSS via Various Nodes), published 2026-02-25, changed lines 104 to 119 of packages/nodes-base/nodes/Form/utils/utils.ts.

How does sanitizeHtml compare to the rest of n8n-io/n8n?

n8n-io/n8n has 31 CVEs with a located fix in total; 3 of them changed sanitizeHtml.

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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Patched Functions
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SanitizeHtml

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Patched Functions
N8n Io
N8n
SanitizeHtml

sanitizeHtml in n8n-io/n8n: Patched by 3 CVEs

n8n-io/n8n

Function

sanitizeHtml

Name: sanitizeHtml in n8n-io/n8n: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

packages/nodes-base/nodes/Form/utils/utils.ts

Last patched February 25, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2025–2026

Years

By CVE publication date

Overview

sanitizeHtml in n8n-io/n8n was changed by 3 published CVE fixes between 2025 and 2026, in 3 distinct patches that added or removed 80 lines in total.

n8n-io/n8n has 31 CVEs with a located fix in total, so 10% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed sanitizeHtml, 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

n8n Vulnerable to Stored XSS via Various Nodes
CVE-2026-27578 · lines 104–119 · +13 −12
High · CVSS 8.5
EPSS 0.3%2026-02-25
n8n: Expression Sandbox Escape Leads to RCE
CVE-2026-27577 · lines 104–119 · +13 −12
Critical · CVSS 9.4
EPSS 1.0%2026-02-25
Stored XSS in n8n Form Trigger allows Account Takeover via injected iframe and video/source
CVE-2025-52478 · lines 21–78 · +22 −8 in 2 hunks
High · CVSS 8.7
EPSS 0.4%2025-08-19

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1renderFormpackages/nodes-base/nodes/Form/utils/utils.ts3 CVEs · 2 patches2026

Other hotspots in the repository

Functions in n8n-io/n8n changed by the most CVE fixes.

createPage4 CVEs · packages/@n8n/nodes-langchain/nodes/trigger/ChatTrigger/templates.ts get4 CVEs · packages/@n8n/task-runner/src/js-task-runner/js-task-runner.ts getCookie3 CVEs · packages/@n8n/nodes-langchain/nodes/trigger/ChatTrigger/GenericFunctions.ts then3 CVEs · packages/cli/src/webhooks/webhook-helpers.ts executeWebhook3 CVEs · packages/cli/src/webhooks/webhook-helpers.ts evaluateResponseHeaders3 CVEs · packages/cli/src/webhooks/webhook-helpers.ts

All patched functions in n8n-io/n8n

Frequently asked questions

Common questions about CVE fixes to sanitizeHtml.

How many CVEs have patched sanitizeHtml?: 3 published CVEs changed sanitizeHtml in n8n-io/n8n, in 3 distinct patches totalling 80 changed lines, between 2025 and 2026.
What is the latest CVE that changed sanitizeHtml?: CVE-2026-27578 (n8n Vulnerable to Stored XSS via Various Nodes), published 2026-02-25, changed lines 104 to 119 of packages/nodes-base/nodes/Form/utils/utils.ts.
How does sanitizeHtml compare to the rest of n8n-io/n8n?: n8n-io/n8n has 31 CVEs with a located fix in total; 3 of them changed sanitizeHtml.
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

packages/nodes-base/nodes/Form/utils/utils.ts on GitHub (opens in a new tab)
All patched functions in n8n-io/n8n
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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