Home/CVE/Cross-site scripting (XSS) vulnerability in the external_format_text function in lib/externallib.php in Moodle through 2
CVE

CVE-2015-3178

Cross-site scripting (XSS) vulnerability in the external_format_text function in lib/externallib.php in Moodle through 2

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.

LOW · CVSS 3.5 EPSS 0.00208
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
moodle<= 2.5.9
moodleall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist moodle/moodle LOW fixed in 2.6.11
▣

Scoring & Timeline

3.5
LOW · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:S/C:N/I:P/A:N
Published to NVD01 Jun 2015 · 07:59 PM
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-49718
http://openwall.com/lists/oss-security/2015/05/18/1
http://www.securityfocus.com/bid/74726
http://www.securitytracker.com/id/1032358
https://moodle.org/mod/forum/discuss.php?d=313685Vendor Advisory
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