8.8

CVE-2018-12712: joomla joomla\! Improper Input Validation

CVSS: 8.8v3.0HighModified
Published 26-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-12712 is a high (CVSS 8.8) Improper Input Validation vulnerability in joomla joomla\!. EPSS estimates a 2.29% chance of exploitation in the next 30 days, higher than 83% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
2.29%
0%100%
Low · +0.46 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Joomla! 2.5.0 through 3.8.8 before 3.8.9. The autoload code checks classnames to be valid, using the "class_exists" function in PHP. In PHP 5.3, this function validates invalid names as valid, which can result in a Local File Inclusion.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.29%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

+0.46 pp

From 1.83% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.29%

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