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Fencer Intel
medium 5.4

CVE-2022-45151 json

Moodle stored-XSS vulnerability in some "social" user profile fields

published 3y ago modified 4mo ago also BIT-moodle-2022-45151 , EUVD-2022-7467 , GHSA-xv72-6pgh-cjj8

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

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.

Patch / fix

  • packagist moodle/moodle 3.11.11, 4.0.5
  • bitnami moodle 3.11.11, 4.0.5
  • moodle moodle 3.11.11, 4.0.5

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-45151 updated cvss 5.4

moodle: stored XSS possible in some "social" user profile fields

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present “Possible Workaround: Update "social" user profile fields (https://docs.moodle.org/en/User_profile_fields) so their visibility is set to "not visible", until the patch is applied.”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
OSV 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
>=3.11, <3.11.11
>=4.0, <4.0.5
3.11.11
4.0.5
bitnami moodle
>=3.11.0, <3.11.11
>=4.0.0, <4.0.5
3.11.11
4.0.5

Affected products

  • n/a Moodle

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.