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Fencer Vulns
medium 5.4

CVE-2019-3872 json

It was found that a SAMLRequest containing a script could be processed by Picketlink versions shipped in Jboss Application Platform 7.2.x a…

published 2019-06-12 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13485

cvss
5.4
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

It was found that a SAMLRequest containing a script could be processed by Picketlink versions shipped in Jboss Application Platform 7.2.x and 7.1.x. An attacker could use this to send a malicious script to achieve cross-site scripting and obtain unauthorized information or conduct further attacks.

Patch / fix

  • eap7-hornetq jboss enterprise application platform 7.2 2.4.7-7.Final_redhat_2.1.el6eap
  • eap7-jgroups jboss enterprise application platform 7.2 4.0.19-1.Final_redhat_00001.1.el6eap
  • eap7-wildfly jboss enterprise application platform 7.2 7.2.2-2.GA_redhat_00001.1.el6eap
  • eap7-resteasy jboss enterprise application platform 7.2 3.6.1-5.SP5_redhat_00001.1.el6eap
  • eap7-undertow jboss enterprise application platform 7.2 2.0.20-1.Final_redhat_00001.1.el6eap
  • eap7-weld-ejb jboss enterprise application platform 7.2 3.0.6-1.Final_redhat_00001.1.el6eap
  • eap7-weld-jta jboss enterprise application platform 7.2 3.0.6-1.Final_redhat_00001.1.el6eap
  • eap7-weld-web jboss enterprise application platform 7.2 3.0.6-1.Final_redhat_00001.1.el6eap

red hat advisories RHSA-2019:1419RHSA-2019:1421RHSA-2019:1420

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-3872 updated cvss 5.4

picketlink: reflected XSS in SAMLRequest via RelayState parameter

  • Red Hat JBoss EAP 7.2
    fixed: vendor fix RHSA-2019:1424
  • Red Hat JBoss EAP 7.2 for RHEL 6 Server eap7-hornetq 2.4.7-7.Final_redhat_2.1.el6eap, eap7-apache-cxf 3.2.7-2.redhat_00002.1.el6eap, eap7-wildfly 7.2.2-2.GA_redhat_00001.1.el6eap, eap7-resteasy 3.6.1-5.SP5_redhat_00001.1.el6eap, eap7-apache-cxf-rt 3.2.7-2.redhat_00002.1.el6eap, eap7-javassist 3.23.2-2.GA_redhat_00001.1.el6eap, +101 more
    fixed: vendor fix RHSA-2019:1419
  • Red Hat JBoss EAP 7.2 for RHEL 7 Server eap7-hornetq 2.4.7-7.Final_redhat_2.1.el7eap, eap7-apache-cxf 3.2.7-2.redhat_00002.1.el7eap, eap7-wildfly 7.2.2-2.GA_redhat_00001.1.el7eap, eap7-resteasy 3.6.1-5.SP5_redhat_00001.1.el7eap, eap7-apache-cxf-rt 3.2.7-2.redhat_00002.1.el7eap, eap7-javassist 3.23.2-2.GA_redhat_00001.1.el7eap, +103 more
    fixed: vendor fix RHSA-2019:1420
  • Red Hat JBoss EAP 7.2 for RHEL 8 eap7-hornetq 2.4.7-7.Final_redhat_2.1.el8eap, eap7-apache-cxf 3.2.7-2.redhat_00002.1.el8eap, eap7-wildfly 7.2.2-2.GA_redhat_00001.1.el8eap, eap7-resteasy 3.6.1-5.SP5_redhat_00001.1.el8eap, eap7-apache-cxf-rt 3.2.7-2.redhat_00002.1.el8eap, eap7-javassist 3.23.2-2.GA_redhat_00001.1.el8eap, +101 more
    fixed: vendor fix RHSA-2019:1421
  • Red Hat Single Sign-On 7.3.2 zip
    fixed: vendor fix RHSA-2019:1456

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • Red Hat picketlink

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.