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githubGitHub Advisory DatabaseGHSA-CRCQ-PW8H-9XWF
HistoryMay 13, 2022 - 1:12 a.m.

Moodle does not provide charset information in HTTP headers

2022-05-1301:12:43
CWE-79
GitHub Advisory Database
github.com
10
moodle
charset
http headers
vulnerability
cross-site scripting
software
ajax

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

AI Score

6.1

Confidence

High

EPSS

0.003

Percentile

71.9%

lib/setup.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not provide charset information in HTTP headers, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via UTF-7 characters during interaction with AJAX scripts.

Affected configurations

Vulners
Node
moodlemoodleRange<2.7.3
OR
moodlemoodleRange<2.6.6
OR
moodlemoodleRange<2.5.9
VendorProductVersionCPE
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

AI Score

6.1

Confidence

High

EPSS

0.003

Percentile

71.9%

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