4.8

CVE-2018-11326: joomla joomla\! Cross-site Scripting

CVSS: 4.8v3.0MediumModified
Published 22-05-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-11326 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in joomla joomla\!. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.3% of scored vulnerabilities.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.0 (NVD)
EPSS score
1.03%
0%100%
Low · -0.33 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-05-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Joomla! Core before 3.8.8. Inadequate input filtering leads to a multiple XSS vulnerabilities. Additionally, the default filtering settings could potentially allow users of the default Administrator user group to perform a XSS attack.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.03%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

-0.33 pp

From 1.36% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.03%

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

Joomla1 product

1 vendor · 1 product

References

3 links