Is CVE-2026-27901 actively exploited?

No active exploitation of CVE-2026-27901 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-27901 be exploited remotely?

Yes. CVE-2026-27901 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-27901?

CVE-2026-27901 has a CVSS score of 5.3 (MEDIUM) and an EPSS exploitation probability of 0.04%.

HOME VULNERABILITIESCVE-2026-27901

MEDIUM

CVE-2026-27901

CWE-79Published: February 26, 2026· Updated: Feb 27, 2026

5.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:13.5th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-27901 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (P) is needed, which slightly reduces the risk of mass automated attacks.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges Req.None

User InteractionP

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X