Medium severity · published Aug 2, 2021
CVE-2021-24455
The Tutor LMS – eLearning and online course solution WordPress plugin before 1.9.2 did not escape the Summary field of Announcements (when outputting it in an attribute), which…
5.4
CVSS
0.7%
EPSS
No
On KEV
Description
The Tutor LMS – eLearning and online course solution WordPress plugin before 1.9.2 did not escape the Summary field of Announcements (when outputting it in an attribute), which can be created by users as low as Tutor Instructor. This lead to a Stored Cross-Site Scripting issue, which is triggered when viewing the Announcements list, and could result in privilege escalation when viewed by an admin.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TL
Tutor Lms · Themeum
before 1.9.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24455
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24455
Exploit
https://wpscan.com/vulnerability/9ef14cf1-1e04-4125-a296-9aa5388612f9
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