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CVE-2022-45150

22
FAUCET Score

CVE-2022-45150 is a reflected cross-site scripting (XSS) vulnerability in Moodle, specifically affecting the policy tool due to insufficient sanitization of user-supplied data. This flaw impacts various Fedora and Moodle product versions. With a CVSS score of 6.1 (Medium), it can be exploited via a network-based attack requiring user interaction, potentially leading to information disclosure and web page modification. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.9.0, < 3.9.18CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 3.11.0, < 3.11.11CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 4.0.0, < 4.0.5CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.67%
Probability of exploitation in next 30 days
EPSS Percentile
48.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0067 is in the 53rd percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.9.18
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.11.11
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 4.0.5

Vendor Advisories (1)

composerGHSA-6gx2-g773-hv9hmedium

Moodle reflected cross-site scripting vulnerability in policy tool

Nov 23, 2022

References

git.moodle.org / gw
bugzilla.redhat.com / show_bug.cgi
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/2DHYIIAUXUBHMBEDYU7TYNZXEN2W2SA2
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/74SXNGA5RIWM7QNX7H3G7SYIQLP4UUGV
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/NLRJB5JNKK3VVBLV3NH3RI7COEDAXSAB
moodle.org / mod/forum/discuss.php