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CVE-2018-1045

20
FAUCET Score

CVE-2018-1045 describes a Cross-Site Scripting (XSS) vulnerability in Moodle 3.x, specifically exploitable through a calendar event name. This medium-severity vulnerability (CVSS 5.4) requires user interaction and low privileges, allowing an attacker to inject malicious scripts that could lead to limited confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.1.9CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
3.2.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.2.0:*:*:*:*:*:*:*
3.2.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.2.1:*:*:*:*:*:*:*
3.2.2CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.2.2:*:*:*:*:*:*:*
3.2.3CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.2.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
53.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 88th percentile among its peer group of 15,225 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.3.4
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.2.7
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.1.10

Vendor Advisories (1)

composerGHSA-595j-wpfg-23w4medium

Moodle XSS Vulnerability

May 14, 2022

References

moodle.org / mod/forum/discuss.php
Vendor Advisory
securityfocus.com / bid/102755
Third Party AdvisoryVDB Entry