Servers and applications
CVE-2015-3178
Cross-site scripting (XSS) vulnerability in the external_format_text function in lib/externallib.php in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 allows remote authenticated users to inject arbitrary web script or HTML into an external application via a crafted string that is visible to web services.
- Severity
- Low 3.5
- Published
- 1 Jun 2015
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 1.4% in the next 30 daysHigher than 73% of CVEs. EPSS by FIRST, 11 Nov 2026
- Weakness
- Cross-site scripting (CWE-79)
- Attack
- Over the network · Needs a login
- Attacker can
- Change some data
- CVSS vector
AV:N/AC:M/Au:S/C:N/I:P/A:N- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
MoodleServers and applications · cpe:a:moodle:moodle |
All 35 release lines
|