What is the CVSS score of CVE-2026-27352?

CVE-2026-27352 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

Which versions of ThemeGoods Starto are affected by CVE-2026-27352?

A reflected cross-site scripting (XSS) vulnerability in ThemeGoods Starto theme (versions ≤2.1.9) allows attackers to inject malicious code that executes in users' browsers.

How to fix or mitigate CVE-2026-27352?

Within 24 hours: Inventory all instances of Starto theme in production and document affected versions. Within 7 days: Deploy Web Application Firewall (WAF) rules to block malicious script payloads and validate input sanitization; restrict access to theme administration interfaces via IP allowlisting. Within 30 days: Monitor vendor for patch release; prepare upgrade plan to Starto 2.1.10 or later immediately upon availability; conduct security assessment of any user-submitted content processed by the theme.

ThemeGoods Starto CVE-2026-27352

HIGH

Cross-site Scripting (XSS) (CWE-79)

2026-03-05 audit@patchstack.com

XSS

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Re-analysis Queued

Apr 22, 2026 - 21:37 vuln.today

cvss_changed

Analysis Generated

Mar 12, 2026 - 22:06 vuln.today

CVE Published

Mar 05, 2026 - 06:16 nvd

HIGH 7.1

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeGoods Starto starto allows Reflected XSS.This issue affects Starto: from n/a through <= 2.1.9.

AnalysisAI

ThemeGoods Starto versions 2.1.9 and earlier are vulnerable to reflected cross-site scripting (XSS) that can be exploited remotely without authentication, allowing attackers to inject malicious scripts into web pages viewed by users. An attacker can trick users into clicking a malicious link to steal session cookies, redirect to phishing sites, or perform actions on behalf of the victim. No patch is currently available for this vulnerability.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects ThemeGoods Starto starto. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeGoods Starto starto allows Reflected XSS.This issue affects Starto: from n/a through <= 2.1.9.

Affected ProductsAI

Product: ThemeGoods Starto starto.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.