CVE-2023-5546 json
Moodle: stored xss in quiz grading report via user id number
published 2023-11-09 2 y ago modified 2026-09-10 1 mo ago also BIT-moodle-2023-5546 , EUVD-2023-2935 , GHSA-9724-h8p7-r3jv
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
ID numbers displayed in the quiz grading report required additional sanitizing to prevent a stored XSS risk.
Patch / fix
- packagist moodle/moodle 4.3.0-rc2
- bitnami moodle 4.0.11, 4.1.6, 4.2.3
- moodle moodle 4.0.11, 4.1.6, 4.2.3
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-2023-5546 updated cvss 4.3
moodle: Stored XSS in quiz grading report via user ID number
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
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
- 2 y ago
Exploit prediction
1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/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 |
| 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 | <4.3.0-rc2 |
4.3.0-rc2 |
| bitnami | moodle | >=4.0.0, <4.0.11 >=4.1.0, <4.1.6 >=4.2.0, <4.2.3 |
4.0.11 4.1.6 4.2.3 |
Affected products
- moodle moodle
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
git.moodle.org
/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-78971
web, patch
-
moodle.org
/mod/forum/discuss.php?d=451587
web, patch
-
github.com
/moodle/moodle/commit/aa8ab48521fe4a57c3ec923e6e82a5ac1202e9de
web
-
bugzilla.redhat.com
/show_bug.cgi?id=2243445
issue-tracking, web, report
-
nvd.nist.gov
/vuln/detail/CVE-2023-5546
advisory, web
-
github.com
/moodle/moodle
package
Sources
- CVE List CVE-2023-5546
- GitHub Advisory GHSA-9724-h8p7-r3jv
- NVD CVE-2023-5546
- OSV BIT-moodle-2023-5546
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