CVE-2017-2644
Moodle XSS Vulnerability
In Moodle 3.x, XSS can occur via evidence of prior learning.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
6.1
In Moodle 3.x, XSS can occur via evidence of prior learning.
- Record
CVE-2017-2644- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
In Moodle 3.x, XSS can occur via evidence of prior learning.
- Record
CVE-2017-2644- Updated
- 2026-11-02
EUVDEUVD-2022-3283 No score
In Moodle 3.x, XSS can occur via evidence of prior learning.
- Record
EUVD-2022-3283- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-93gj-rg98-h7mm
6.1
Moodle XSS Vulnerability
In Moodle 3.x, XSS can occur via evidence of prior learning.
- Record
GHSA-93gj-rg98-h7mm- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
6.1
In Moodle 3.x, XSS can occur via evidence of prior learning.
- Record
CVE-2017-2644- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-93gj-rg98-h7mm
6.1
Moodle XSS Vulnerability
In Moodle 3.x, XSS can occur via evidence of prior learning.
- Record
GHSA-93gj-rg98-h7mm- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moodle/moodlePackagist |
3.2.0 to 3.2.1 | 3.2.2 |
moodle/moodlePackagist |
3.1.0 to 3.1.4 | 3.1.5 |
moodle/moodlePackagist |
3.2.0 up to 3.2.2, plus listed versions v3.2.0v3.2.1 |
3.2.2 |
moodle/moodlePackagist |
3.1.0 up to 3.1.5, plus listed versions v3.1.0v3.1.1v3.1.2v3.1.3v3.1.4 |
3.1.5 |
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-2017-2644 is a medium vulnerability (CVSS 6.1) in Moodle, published March 26, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.05%, the 64th percentile. Fixed in moodle/moodle 3.2.2.
References
moodle.org/mod/forum/discuss.php?d=349421
securitytracker.com/id/1038174
securityfocus.com/bid/96979
nvd.nist.gov/vuln/detail/CVE-2017-2644
github.com/moodle/moodle/commit/ac40d8b589820929fe4201a3f0640414e2b9dabd
web.archive.org/web/20210124004851/http://www.securityfocus.com/bid/96979
web.archive.org/web/20210227004858/http://www.securitytracker.com/id/1038174
github.com/advisories/GHSA-93gj-rg98-h7mm
github.com/moodle/moodle