CVE-2018-1045: moodle Cross-site Scripting
CVSS: 5.4v3.0MediumModified
AliasesUBUNTU-CVE-2018-1045
Published 22-01-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-1045 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in moodle. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.1% of scored vulnerabilities.
CVSS score
5.4/10
010
Medium · v3.0 (NVD)EPSS score
0.97%
0%100%
Low · +0.16 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-01-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In Moodle 3.x, there is XSS via a calendar event name.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.4Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated5.4MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.97%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
+0.16 pp
From 0.80% on 19-09-2026
19-09-202619-10-2026
EPSS score0.97%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Moodle1 product
- moodle≤ 3.1.9 | 3.2.0 | 3.2.1 | 3.2.2 | 3.2.3 | 3.2.4 | 3.2.5 | 3.2.6 | 3.3.0 | 3.3.1 | 3.3.2 | 3.3.3
Ubuntu1 product
- moodleAll versions (No fix recorded)
2 vendors · 2 products