CVE-2023-23922 json
Moodle: reflected xss risk in blog search
published 2023-02-17 3 y ago modified 2026-09-08 2 mo ago also BIT-moodle-2023-23922 , EUVD-2023-0710 , GHSA-grmj-gpwm-98ww
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in blog search. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks.
Patch / fix
- packagist moodle/moodle 4.0.6, 4.1.1
- bitnami moodle 4.0.6, 4.1.1
- moodle moodle 4.0.6
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-2023-23922 updated
moodle: Reflected XSS risk in blog search
-
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
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| OSV | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | moodle/moodle | >=4.0.0-beta, <4.0.6 >=4.1.0-beta, <4.1.1 |
4.0.6 4.1.1 |
| bitnami | moodle | >=4.0.0, <4.0.6 >=4.1.0, <4.1.1 |
4.0.6 4.1.1 |
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-76861
web, patch
-
moodle.org
/mod/forum/discuss.php?d=443273#p1782022
web, vendor-advisory, advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=2162547
web, issue-tracking, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-23922
advisory, web
-
github.com
/moodle/moodle
package
Sources
- CVE List CVE-2023-23922
- GitHub Advisory GHSA-grmj-gpwm-98ww
- NVD CVE-2023-23922
- OSV BIT-moodle-2023-23922
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