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Vulnerability details: VCID-z3pw-p7yr-hydr
Vulnerability ID VCID-z3pw-p7yr-hydr
Aliases CVE-2020-10748
GHSA-hgpg-593r-hhvp
Summary Cross-site Scripting in Keycloak 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10748.json
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
epss 0.00391 https://api.first.org/data/v1/epss?cve=CVE-2020-10748
cvssv3.1 6.1 https://bugzilla.redhat.com/show_bug.cgi?id=1836786
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=1836786
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-hgpg-593r-hhvp
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-10748
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2020-10748
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2020-10748
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10748.json
https://api.first.org/data/v1/epss?cve=CVE-2020-10748
https://bugzilla.redhat.com/show_bug.cgi?id=1836786
https://nvd.nist.gov/vuln/detail/CVE-2020-10748
cpe:2.3:a:redhat:keycloak:10.0.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:keycloak:10.0.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*
GHSA-hgpg-593r-hhvp https://github.com/advisories/GHSA-hgpg-593r-hhvp
RHSA-2020:2813 https://access.redhat.com/errata/RHSA-2020:2813
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10748.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=1836786
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-10748
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-10748
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.59337
EPSS Score 0.00391
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:02:55.951214+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-hgpg-593r-hhvp/GHSA-hgpg-593r-hhvp.json 37.0.0