CVE-2018-10891: moodle Improper Input Validation
CVSS: 7.5v2.0HighModified
AliasesUBUNTU-CVE-2018-10891
Published 10-07-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-10891 is a high (CVSS 7.5) Improper Input Validation vulnerability in moodle. EPSS estimates a 2.06% chance of exploitation in the next 30 days, higher than 81% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v2.0 (NVD)EPSS score
2.06%
0%100%
Low · -0.06 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-07-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. When a quiz question bank is imported, it was possible for the question preview that is displayed to execute JavaScript that is written into the question bank.
CVSS metrics
6 scores · 3 sources · 3 versionsHigh 7.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Medium 6.3Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LSourcesAll 3 agree
- NVDNIST6.3MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- OSV · UbuntuEcosystem advisory · calculated6.3MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.06%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
-0.06 pp
From 2.12% on 18-09-2026
18-09-202618-10-2026
EPSS score2.06%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
[unknown]1 product
- moodlemoodle 3.5.1 | moodle 3.4.4 | moodle 3.3.7 | moodle 3.1.13
Moodle1 product
- moodle≥ 3.1, < 3.1.13 | ≥ 3.3, < 3.3.7 | ≥ 3.4, < 3.4.4 | ≥ 3.5, < 3.5.1
Ubuntu1 product
- moodleAll versions (No fix recorded)
3 vendors · 3 products
References
5 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10891X Refsource CONFIRMIssue TrackingThird Party AdvisoryREPORT