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Vulnerability record · CVE-2019-15896 · published 10 September 2019

CVE-2019-15896: Lifterlms missing authentication for critical function vulnerability

Lifterlms · Lifterlms

An issue was discovered in the LifterLMS plugin through 3.34.5 for WordPress. The upload_import function in the class.llms.admin.import.php script is prone to an unauthenticated options import vulnerability that could lead to privilege escalation (administrator account creation), website redirection, and stored XSS.

9.8 CVSS 3.1 Critical EPSS 6.5% · top 6.5% CWE-306 · Missing authentication for critical function
9.8CVSS 3.1 base score, v2 7.5
6.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in the LifterLMS plugin through 3.34.5 for WordPress. The upload_import function in the class.llms.admin.import.php script is prone to an unauthenticated options import vulnerability that could lead to privilege escalation (administrator account creation), website redirection, and stored XSS.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blog.nintechnet.com/critical-vulnerability-fixed-in-wordpress-lifterlms-plugin/ ExploitThird Party Advisory
https://wordpress.org/plugins/lifterlms/#developers Release Notes
https://wpvulndb.com/vulnerabilities/9871 Third Party Advisory
https://blog.nintechnet.com/critical-vulnerability-fixed-in-wordpress-lifterlms-plugin/ ExploitThird Party Advisory
https://wordpress.org/plugins/lifterlms/#developers Release Notes
https://wpvulndb.com/vulnerabilities/9871 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-15896), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.