6.1Medium

CVE-2026-89081Tutor LMS <= 4.0.8 - Reflected Cross-Site Scripting via 'back_url' and 'search' Parameters

themeum Tutor LMS – eLearning and online course solution Published: 2026-09-19 05:27 (1 month ago)

Description

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'search' parameter in all versions up to, and including, 4.0.8 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.

Weakness (CWE): CWE-79

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
themeum	Tutor LMS – eLearning and online course solution	≤ 4.0.8

References and patches

CVSS score

6.1Medium

Source: Wordfence · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

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

All scores (2)

cna	CVSS 3.1	6.1Medium
security@wordfence.com	CVSS 3.1	6.1Medium

EPSS (chance of exploitation in 30 days)

0.38%

higher than 32% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2026-09-10
Published2026-09-19 05:27
Reached IP-DB2026-10-24 23:50
Last updated2026-09-21 16:33

Assigned by (CNA): Wordfence
NVD status: Deferred

View at source: CVE.org · NVD

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