5.4

CVE-2018-14655: red hat keycloak Cross-site Scripting

CVSS: 5.4v3.0MediumModified
AliasesGHSA-458h-wv48-fq75
Published 13-11-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-14655 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in red hat keycloak. EPSS estimates a 1.19% chance of exploitation in the next 30 days, higher than 67.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.0 (NVD)
EPSS score
1.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
RHSA-2018:3592RHSA-2018:3593

Timeline

  1. 13-11-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using 'response_mode=form_post' it is possible to inject arbitrary Javascript-Code via the 'state'-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.19%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.19% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.19%

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

Redhat2 products
Org.keycloak1 product
  • keycloak-parent≤ 3.4.3.Final | ≥ 4.0.0.Beta1, ≤ 4.0.0.Beta2 | 4.3.0.Final
Red hat1 product
  • keycloak3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final

3 vendors · 4 products

References

6 links