Home/CVE/A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before 4.5.3.Final, where it
CVE

CVE-2020-10688

A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before 4.5.3.Final, where it

A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before 4.5.3.Final, where it did not properly handle URL encoding when the RESTEASY003870 exception occurs. An attacker could use this flaw to launch a reflected XSS attack.

MEDIUM · CVSS 6.1 EPSS 0.00344
Schedule remediation
  • Public exploit or PoC is available
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

5
redhat fuseall versions
redhat jboss enterprise application platformall versions
redhat openshift application runtimesall versions
redhat resteasy< 3.11.1
redhat resteasy>= 4.5.0 and < 4.5.3
▤

Affected Packages

2
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.jboss.resteasy:resteasy-bom MODERATE fixed in 3.11.1.Final
Maven org.jboss.resteasy:resteasy-core MODERATE fixed in 3.11.1.Final
⚠

Public Exploits & PoCs

1
pocgithub.com · 7248github.com
▣

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 NVD27 May 2021 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

10
usnUSN-7630-1
usnUSN-7351-1
rhsaRHSA-2021:3140Moderate
rhsaRHSA-2020:3806Important
rhsaRHSA-2020:2905Moderate
🔗

References & Sources

3
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=1814974Issue TrackingPatchVendor Advisory
https://issues.redhat.com/browse/RESTEASY-2519Issue TrackingPermissions RequiredVendor Advisory
https://security.netapp.com/advisory/ntap-20210706-0008/Third Party Advisory
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