What is the CVSS score of CVE-2025-26767?

CVE-2025-26767 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.1%.

Which versions of Themeum Qubely are affected by CVE-2025-26767?

CVE-2025-26767 presents notable security risk, a cross-site scripting vulnerability rated CVSS 6.5. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

How to fix or mitigate CVE-2025-26767?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Themeum Qubely CVE-2025-26767

MEDIUM

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

2025-02-16 audit@patchstack.com

XSS

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

CVSS changed

Apr 23, 2026 - 15:42 NVD

5.4 (MEDIUM) 6.5 (MEDIUM)

Analysis Generated

Mar 28, 2026 - 18:26 vuln.today

CVE Published

Feb 16, 2025 - 23:15 nvd

MEDIUM 5.4

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themeum Qubely - Advanced Gutenberg Blocks allows Stored XSS. This issue affects Qubely - Advanced Gutenberg Blocks: from n/a through 1.8.12.

AnalysisAI

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themeum Qubely - Advanced Gutenberg Blocks allows Stored XSS.8.12. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themeum Qubely - Advanced Gutenberg Blocks allows Stored XSS.8.12. Affected products include: Themeum Qubely. Version information: through 1.8.12..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.