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CVE-2017-2644

17
FAUCET Score

CVE-2017-2644 describes a cross-site scripting (XSS) vulnerability in Moodle 3.x, specifically within the "evidence of prior learning" feature. This medium-severity flaw, rated 6.1 CVSS, requires user interaction and could lead to limited impact on confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.1.0:*:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.1.0:beta:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.1.0:rc1:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.1.0:rc2:*:*:*:*:*:*
3.1.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 73rd percentile among its peer group of 26,234 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.2.2
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.1.5

Vendor Advisories (1)

composerGHSA-93gj-rg98-h7mmmedium

Moodle XSS Vulnerability

May 17, 2022

References

moodle.org / mod/forum/discuss.php
PatchThird Party Advisory
securityfocus.com / bid/96979
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038174