4.3

CVE-2018-1136: moodle Cross-site Scripting

CVSS: 4.3v3.0MediumModified
AliasesUBUNTU-CVE-2018-1136
Published 25-05-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-1136 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in moodle. EPSS estimates a 1.06% chance of exploitation in the next 30 days, higher than 64% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.06%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-05-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Moodle 3.x. An authenticated user is allowed to add HTML blocks containing scripts to their Dashboard; this is normally not a security issue because a personal dashboard is visible to this user only. Through this security vulnerability, users can move such a block to other pages where they can be viewed by other users.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.06%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

+0.09 pp

From 0.98% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.06%

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

Moodle1 product
  • moodle≥ 3.1.0, ≤ 3.1.11 | ≥ 3.2.0, ≤ 3.2.8 | ≥ 3.3.0, ≤ 3.3.5 | ≥ 3.4.0, ≤ 3.4.2
Ubuntu1 product
  • moodleAll versions (No fix recorded)

2 vendors · 2 products

References

4 links