CVE-2021-20186
Severity Score
5.4
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that if the TeX notation filter was enabled, additional sanitizing of TeX content was required to prevent the risk of stored XSS.
Se encontró en Moodle versiones anteriores a 3.10.1, 3.9.4, 3.8.7 y 3.5.16, que si el filtro de notación TeX estaba habilitado, se requería una desinfección adicional del contenido TeX para prevenir el riesgo de un XSS almacenado
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-17 CVE Reserved
- 2021-01-28 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://moodle.org/mod/forum/discuss.php?d=417170 | 2021-02-01 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Moodle Search vendor "Moodle" | Moodle Search vendor "Moodle" for product "Moodle" | < 3.5.16 Search vendor "Moodle" for product "Moodle" and version " < 3.5.16" | - |
Affected
| ||||||
| Moodle Search vendor "Moodle" | Moodle Search vendor "Moodle" for product "Moodle" | >= 3.8.0 < 3.8.7 Search vendor "Moodle" for product "Moodle" and version " >= 3.8.0 < 3.8.7" | - |
Affected
| ||||||
| Moodle Search vendor "Moodle" | Moodle Search vendor "Moodle" for product "Moodle" | >= 3.9.0 < 3.9.4 Search vendor "Moodle" for product "Moodle" and version " >= 3.9.0 < 3.9.4" | - |
Affected
| ||||||
| Moodle Search vendor "Moodle" | Moodle Search vendor "Moodle" for product "Moodle" | >= 3.10.0 < 3.10.1 Search vendor "Moodle" for product "Moodle" and version " >= 3.10.0 < 3.10.1" | - |
Affected
| ||||||