CVE-2023-46858
** DISPUTED ** Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when...
Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can not."
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can not."
- Record
CVE-2023-46858- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can not."
- Record
CVE-2023-46858- Updated
- 2026-11-02
EUVDEUVD-2023-51024 No score
Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can not."
- Record
EUVD-2023-51024- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fq3r-xmqf-p5w7
** DISPUTED ** Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when...
** DISPUTED ** Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can not."
- Record
GHSA-fq3r-xmqf-p5w7- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVBIT-moodle-2023-46858 No score
Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can not."
- Record
BIT-moodle-2023-46858- Updated
- 2026-11-02
OSV No score
Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can not."
- Record
CVE-2023-46858- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moodleBitnami |
4.3.0 up to 4.3.1 | 4.3.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-46858 is a medium vulnerability (CVSS 5.4) in Moodle, published October 29, 2023. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. Fixed in moodle 4.3.1.
References
gist.github.com/Abid-Ahmad/12d2b4878eb731e8871b96b7d55125cd
docs.moodle.org/403/en/Security_FAQ
packetstormsecurity.com/files/175277/Moodle-4.3-Cross-Site-Scripting.html
nvd.nist.gov/vuln/detail/CVE-2023-46858
github.com/advisories/GHSA-fq3r-xmqf-p5w7