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.
CVSS score
4.8/10
010
Medium · v3.0 (NVD)EPSS score
1.03%
0%100%
Low · -0.33 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-05-2018PublishedVulnerability first disclosed.
- 05-08-2024Last 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 versionsMedium 4.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
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 score1.03%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Joomla1 product
- joomla\!< 3.8.8
1 vendor · 1 product
References
3 links- developer.joomla.org/security-centre/733-20180505-core-xss-vulnerabilities-additional-hadering.htmlX Refsource MISCVendor Advisory