CVE-2024-53262: SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte

Routine

MEDIUM 5.4UPGRADE

CVE-2024-53262 is a medium-severity flaw (CVSS 5.4) affecting sveltekit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. The static error.html template for errors contains placeholders that are replaced without escaping the content first. error.html is the page that is rendered when everything else fails. It can contain the following placeholders: %sveltekit.status% — the HTTP status, and %sveltekit.error.message% — the error message. This leads to possible injection

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-11-25
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: svelte

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-25 20:15 UTCPublished CVE record published
2026-06-17 08:08 UTCUpdated Record last modified

svelte sveltekit UPGRADE

Affected: < 2.8.3

Fixed in: 2.8.3

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls sveltekit

2. UPGRADE to 2.8.3

npm install sveltekit@">=2.8.3"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-53262?

sveltekit: upgrade to 2.8.3. Exact commands for each OS are on this page.

Is CVE-2024-53262 being exploited?

CVE-2024-53262 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-53262 affect?

CVE-2024-53262 affects sveltekit. Severity is medium (CVSS 5.4). SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. The static error.html template for errors contains placeholders that are replaced without escaping the content first. error.html is the page t

How urgent is CVE-2024-53262?

Priority 29/100. No elevated risk signals yet.

Related CVEs

CVE-2024-53261 MEDIUM 5.4 UPGRADE SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte

References

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