Home/CVE/A flaw was found in Keycloak's data filter, in version 10.0.1, where it allowed the processing of data URLs in some circ
CVE

CVE-2020-10748

A flaw was found in Keycloak's data filter, in version 10.0.1, where it allowed the processing of data URLs in some circ

A flaw was found in Keycloak's data filter, in version 10.0.1, where it allowed the processing of data URLs in some circumstances. This flaw allows an attacker to conduct cross-site scripting or further attacks.

MEDIUM · CVSS 6.1 EPSS 0.00354
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
redhat keycloakall versions
redhat single sign-on< 7.4.1
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.keycloak:keycloak-parent MODERATE fixed in 10.0.2
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Sep 2020 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

13
rhsaRHSA-2024:0801Moderate
rhsaRHSA-2024:0799Moderate
rhsaRHSA-2024:0800Moderate
rhsaRHSA-2024:0798Moderate
rhsaRHSA-2024:0804Moderate
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1836786Issue TrackingVendor Advisory
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