CVE-2023-2919Network attack vector

Add-on state changes via missing nonce validation

Published Sep 10, 2024 · Updated Apr 8, 2026

Cross-site request forgery in Themeum Tutor LMS 2.7.4 and earlier allows remote attackers to toggle add-ons through an administrator's browser. The addon_enable_disable AJAX handler accepts the requested add-on and enable-or-disable action without validating a request nonce. Exploitation requires an authenticated site administrator to open a crafted link, after which the forged request changes add-on state.

CVSS severity4.3
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Themeum Tutor LMS 2.7.4 and earlier allows remote attackers to toggle add-ons through an administrator's browser. The addon_enable_disable AJAX handler accepts the requested add-on and enable-or-disable action without validating a request nonce. Exploitation requires an authenticated site administrator to open a crafted link, after which the forged request changes add-on state.

The record

CVE
CVE-2023-2919
Published
Sep 10, 2024
Updated
Apr 8, 2026
Vendor
Themeum
Product
Tutor LMS
Classifications
CWE-352, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 10, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=2.7.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Themeum · Tutor LMSversion=0 <=2.7.4

Published CVSS scores

4.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1204.001User Execution: Malicious Link

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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