sveltejs svelte up to 5.53.4 bind:innerText/bind:textContent cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability was found in sveltejs svelte up to 5.53.4. It has been classified as problematic. This impacts an unknown function. Performing a manipulation of the argument bind:innerText/bind:textContent results in cross site scripting. This vulnerability is identified as CVE-2026-27901. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in sveltejs svelte up to 5.53.4. This affects an unknown code block. The manipulation of the argument bind:innerText/bind:textContent with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

Svelte performance oriented web framework. Prior to version 5.53.5, the contents of `bind:innerText` and `bind:textContent` on `contenteditable` elements were not properly escaped. This could enable HTML injection and Cross-Site Scripting (XSS) if rendering untrusted data as the binding's initial value on the server. Version 5.53.5 fixes the issue.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-27901 since 02/24/2026. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 5.53.5 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 0df5abcae223058ceb95491470372065fb87951d is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: svelte 5.53.5
Patch: 0df5abcae223058ceb95491470372065fb87951d

Timelineinfo

02/24/2026 CVE reserved
02/26/2026 +2 days Advisory disclosed
02/26/2026 +0 days VulDB entry created
03/05/2026 +7 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-phwv-c562-gvmh
Status: Confirmed

CVE: CVE-2026-27901 (🔒)
GCVE (CVE): GCVE-0-2026-27901
GCVE (VulDB): GCVE-100-347961

Entryinfo

Created: 02/26/2026 07:31
Updated: 03/05/2026 16:57
Changes: 02/26/2026 07:31 (71), 03/05/2026 16:57 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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