CVE-2014-100013: Multiple cross-site scripting (XSS) vulnerabilities in clientResponse 4.1 allow remote attackers to inject arb

Routine

MEDIUM 4.3DOWNGRADE

CVE-2014-100013 is a medium-severity flaw (CVSS 4.3) affecting clientresponse. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in clientResponse 4.1 allow remote attackers to inject arbitrary web script or HTML via the (1) Subject or (2) Message field.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-01-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: clientresponse project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-01-13 15:59 UTCPublished CVE record published
2026-06-17 00:04 UTCUpdated Record last modified

clientresponse project clientresponse DOWNGRADE

Affected: 4.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.1

1. Check installed version

apt-cache policy clientresponse || rpm -q clientresponse || clientresponse --version

2. No fixed release: DOWNGRADE to a release before 4.1 (Debian / Ubuntu)

apt-cache madison clientresponse sudo apt install clientresponse=<VERSION_BEFORE_4.1> sudo apt-mark hold clientresponse

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list clientresponse sudo dnf downgrade clientresponse-<VERSION_BEFORE_4.1> sudo dnf versionlock add clientresponse

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: clientResponse Client Management 4.1 - Cross-Site Scripting

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-100013?

clientresponse: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-100013 being exploited?

CVE-2014-100013 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-100013 affect?

CVE-2014-100013 affects clientresponse. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in clientResponse 4.1 allow remote attackers to inject arbitrary web script or HTML via the (1) Subject or (2) Message field.

How urgent is CVE-2014-100013?

Priority 38/100. Public exploit reference

References

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