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CVE-2022-45151

MEDIUM
5.4
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
MEDIUM5.4
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

The stored-XSS vulnerability was discovered in Moodle which exists due to insufficient sanitization of user-supplied data in several "social" user profile fields. An attacker could inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

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 < 3.11.114.0.0 ≤ 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 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-76131
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2142774
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=440771

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.4MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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