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[email protected]CVE-2021-20186

HistoryJan 28, 2021 - 7:15 p.m.

CVE-2021-20186

2021-01-2819:15:00

CWE-79

[email protected]

web.nvd.nist.gov

moodle

cve-2021-20186

tex notation filter

stored xss

nvd

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.3 Medium

AI Score

Confidence

High

2.1 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:H/Au:S/C:P/I:N/A:N

0.001 Low

EPSS

Percentile

21.5%

JSON

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.

VendorProductVersionCPE
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
moodle	moodle	*	cpe:2.3:a:moodle:moodle::::::::
moodle	moodle	*	cpe:2.3:a:moodle:moodle::::::::
moodle	moodle	*	cpe:2.3:a:moodle:moodle::::::::
moodle	moodle	*	cpe:2.3:a:moodle:moodle::::::::