Vulnerability CVE-2021-39348
Published: 2021-10-21

Description:
The LearnPress WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient escaping on the $custom_profile parameter found in the ~/inc/admin/views/backend-user-profile.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 4.1.3.1. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled. Please note that this is seperate from CVE-2021-24702.

Type:

CWE-80

 (Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS))

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Thimpress -> Learnpress 

 References:
https://wordfence.com/vulnerability-advisories/#CVE-2021-39348
https://github.com/BigTiger2020/word-press/blob/main/LearnPress.md
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2614592%40learnpress&new=2614592%40learnpress&sfp_email=&sfph_mail
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