What is the CVSS score of CVE-2026-1127?

CVE-2026-1127 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of WordPress are affected by CVE-2026-1127?

Organizations using all should be aware of moderate risk from CVE-2026-1127, a cross-site scripting vulnerability rated CVSS 6.1.

How to fix or mitigate CVE-2026-1127?

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

WordPress CVE-2026-1127

MEDIUM

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

2026-01-24 security@wordfence.com

WordPress XSS

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

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:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:59 vuln.today

CVE Published

Jan 24, 2026 - 09:15 nvd

MEDIUM 6.1

DescriptionCVE.org

The Timeline Event History plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the id parameter in all versions up to, and including, 3.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

AnalysisAI

Reflected XSS in WordPress Timeline Event History plugin (versions up to 3.2) allows unauthenticated attackers to inject arbitrary JavaScript through the unvalidated id parameter. An attacker can craft a malicious link to execute scripts in a victim's browser if they click it, potentially leading to session hijacking or credential theft. No patch is currently available.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Timeline Event History (WordPress plugin). The Timeline Event History plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the id parameter in all versions up to, and including, 3.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Affected ProductsAI

Vendor: WordPress. Product: Timeline Event History (WordPress plugin).

RemediationAI

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