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CVE-2022-45150

MEDIUM
6.1
CVSS Score
Published: November 23, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:09 AM UTC
3 products affected across 2 vendorsFedoraMoodleMoodle

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

A reflected cross-site scripting vulnerability was discovered in Moodle. This flaw exists due to insufficient sanitization of user-supplied data in policy tool. An attacker can trick the victim to open a specially crafted link that executes an arbitrary HTML and script code in user's browser in context of vulnerable website. This vulnerability may allow an attacker to perform cross-site scripting (XSS) attacks to gain access potentially sensitive information and modification of web pages.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fedora· Fedora Projectrpm
95%
353637
Moodle· Moodle
95%
3.11.0 ≤ v < 3.11.113.9.0 ≤ v < 3.9.184.0.0 ≤ v < 4.0.5
Affected range stops below 3.11.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.9.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.0.5, so it looks safe — our inference, not a vendor statement
Moodle· Fedora Project
60%
All versions
Vendor states this is fixed in 4.0.5 (unaffected)

References (6)

Source: [email protected]
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76091
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2142773
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DHYIIAUXUBHMBEDYU7TYNZXEN2W2SA2/
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74SXNGA5RIWM7QNX7H3G7SYIQLP4UUGV/
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NLRJB5JNKK3VVBLV3NH3RI7COEDAXSAB/
Source: [email protected]
https://moodle.org/mod/forum/discuss.php?d=440770

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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