8.8

CVE-2018-14631: moodle Improper Input Validation

CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2018-14631
Published 17-09-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-14631 is a high (CVSS 8.8) Improper Input Validation vulnerability in moodle. EPSS estimates a 2.08% chance of exploitation in the next 30 days, higher than 81.2% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (CVE.org)
EPSS score
2.08%
0%100%
Low · +0.28 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-09-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

moodle before versions 3.5.2, 3.4.5, 3.3.8 is vulnerable to a boost theme - blog search GET parameter insufficiently filtered. The breadcrumb navigation provided by Boost theme when displaying search results of a blog were insufficiently filtered, which could result in reflected XSS if a user followed a malicious link containing JavaScript in the search parameter.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.08%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.28 pp

From 1.80% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

[unknown]1 product
Moodle1 product
  • moodle≥ 3.3.0, < 3.3.8 | ≥ 3.4.0, < 3.4.5 | ≥ 3.5.0, < 3.5.2
Ubuntu1 product
  • moodleAll versions (No fix recorded)

3 vendors · 3 products

References

6 links