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githubGitHub Advisory DatabaseGHSA-9FMW-M4QX-6CQ8
HistoryMay 13, 2022 - 1:12 a.m.

Moodle cross-site scripting (XSS) vulnerability

2022-05-1301:12:46
CWE-79
GitHub Advisory Database
github.com
10
moodle
xss
vulnerability
external_format_text
web script
html
web services

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

48.3%

Cross-site scripting (XSS) vulnerability in the external_format_text function in lib/externallib.php in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 allows remote authenticated users to inject arbitrary web script or HTML into an external application via a crafted string that is visible to web services.

Affected configurations

Vulners
Node
moodlemoodleRange2.8.02.8.6
OR
moodlemoodleRange2.7.02.7.8
OR
moodlemoodleRange<2.6.11
VendorProductVersionCPE
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

References

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

48.3%