CVE-2026-27375

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in JanStudio Gecko gecko allows Reflected XSS.This issue affects Gecko: from n/a through <= 1.9.8.

Overview

State: PUBLISHED
Assigner (CNA): Patchstack
CVSS severity: HIGH
CVSS score: 7.1 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Effective score: 7.1 / 10 HIGH source: CNA overview
CWE(s): CWE-79
Reserved: 2026-02-19
Published: 2026-03-05 06:53 UTC
Last updated: 2026-04-28 18:15 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/27xxx/CVE-2026-27375.json
Linked Threat: CVE-2026-27375 — Gecko 6.0 - Responsive Shopify Theme - RTL support <= 1.9.8 - Reflected Cross-Site Scripting

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-03-05 06:16:27 UTC
NVD last modified: 2026-04-22 21:26:58 UTC
NVD CVSS v3.1: 7.1 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Exploitability subscore: 2.8 / 10
Impact subscore: 3.7 / 10
EPSS score: 0.0004 (probability of exploitation in next 30 days)
EPSS percentile: 14.10% vs all CVEs — higher = more likely to be exploited, as of 2026-05-25

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-9631
Assigner: Patchstack
Published: Mar 5, 2026, 5:53:56 AM
Updated: Apr 28, 2026, 4:15:02 PM
EUVD base score (CVSS 3.1): 7.1 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EUVD-reported EPSS: 0.0500
Vendors: JanStudio
Products: Gecko (n/a ≤≤ 1.9.8)

Gecko (0 ≤1.9.8)
Aliases: GHSA-4q66-p6rm-w72w

ENISA description: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in JanStudio Gecko gecko allows Reflected XSS.This issue affects Gecko: from n/a through <= 1.9.8.

EUVD references (1)

https://patchstack.com/database/Wordpress/Theme/gecko/vulnerability/wordpress-gecko-theme-1-9-8-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Affected products (1)

Vendor	Product	Versions	Platforms
JanStudio	Gecko	`0` (affected)	—

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

https://patchstack.com/database/Wordpress/Theme/gecko/vulnerability/wordpress-gecko-theme-1-9-8-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

https://patchstack.com/database/Wordpress/Theme/gecko/vulnerability/wordpress-gecko-theme-1-9-8-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (1)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://patchstack.com/database/Wordpress/Theme/gecko/vulnerability/wordpress-gecko-theme-1-9-8-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve audit@patchstack.com

Indicators (2)

IOCs linked to the auto-promoted Threat row.

Type	Value	VirusTotal	Attached
domain	`xss.this`	no local data	2026-05-18 21:18 UTC
cve	`CVE-2026-27375`	no local data	2026-06-06 13:02 UTC

Remediations (16)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Wordfence remediation: Gecko 6.0 - Responsive Shopify Theme - RTL support

Wordfence

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

2026-06-06 13:02 UTC
Microsoft Releases Mitigation for Windows BitLocker Security Bypass 0 ...

web:cybersecuritynews.com

No patch has been released yet; Microsoft has instead issued a multi-step manual mitigation guide while a formal security update is prepared. Windows BitLocker Security Bypass The vulnerability originates in WinRE's handling of the BootExecute registry value under HKLM\ControlSet001\Control\Session Manager.

2026-05-22 16:18 UTC
Microsoft provides mitigation for "YellowKey" BitLocker bypass flaw ...

web:www.helpnetsecurity.com

Microsoft is working on a fix for CVE - 2026 -45585 (aka "Yellowkey"), a vulnerability that can be used to bypass Windows' BitLocker protection.

2026-05-22 16:18 UTC
Microsoft mitigates YellowKey BitLocker bypass, no patch yet

web:www.notebookcheck.net

Microsoft released mitigation steps for YellowKey ( CVE - 2026 -45585), a BitLocker bypass that grants physical attackers access to encrypted Windows drives.

2026-05-22 16:18 UTC
Microsoft Rolls Out Mitigations for 'YellowKey' BitLocker ...

web:www.securityweek.com

Microsoft has announced mitigations for CVE - 2026 -45585, a BitLocker bypass triggered via FsTx in Windows Recovery.

2026-05-22 16:18 UTC
Windows 11 KB5083769 update triggers BitLocker recovery | Windows Central

web:www.windowscentral.com

A faulty BitLocker configuration is forcing some PCs into BitLocker recovery mode after the April 2026 update, but there's a workaround to resolve this issue.

2026-05-22 16:18 UTC
SAP Security Patch Day - March 2026

web:support.sap.com

SAP security patch day bulletin

2026-05-22 04:19 UTC
Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero-days

web:www.bleepingcomputer.com

Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.

2026-05-22 04:19 UTC
Microsoft and Adobe Patch Tuesday, May 2026 Security Update Review

web:blog.qualys.com

May 2026's Patch Tuesday arrives with Microsoft addressing a fresh set of vulnerabilities across its ecosystem, reinforcing the ongoing need for timely patching in an increasingly threat-heavy…

2026-05-22 04:19 UTC
Windows 11 April 2026 Update tested: What's new, improved and fixed

web:www.windowslatest.com

Windows 11 April 2026 update adds Narrator Copilot support, faster Settings, File Explorer fixes, and key security improvements.

2026-05-22 04:19 UTC
Oracle Critical Patch Update Advisory - April 2026

web:www.oracle.com

This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

2026-05-22 04:19 UTC
Patch Tuesday May 2026: Security Updates & CVE Analysis

web:zecurit.com

Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

2026-05-22 04:19 UTC
Microsoft Patch Tuesday May 2026 - 120 Vulnerabilities Fixed, Including ...

web:cybersecuritynews.com

Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.

2026-05-22 04:19 UTC
Patch Tuesday, May 2026 Edition - Krebs on Security

web:krebsonsecurity.com

Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.

2026-05-22 04:19 UTC
Nvd - Cve-2026-45585

web:nvd.nist.gov

Official websites use .gov A .gov website belongs to an official government organization in the United States.

2026-05-22 04:19 UTC
Security Update Guide - Loading - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-22 04:19 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-27375.json.

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