CVE-2014-8557: Multiple cross-site scripting (XSS) vulnerabilities in JExperts Channel Platform 5.0.33_CCB allow remote attac

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MEDIUM 4.3DOWNGRADE

CVE-2014-8557 is a medium-severity flaw (CVSS 4.3) affecting channel platform. 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 JExperts Channel Platform 5.0.33_CCB allow remote attackers to inject arbitrary web script or HTML via the (1) usuario.nome variable in an editarUsuario action to usuario.do or (2) titulo.form variable in a novoChamado action to ticket.do.

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	1.9% (top 21%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-11-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: jexperts

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

Am I affected?

Timeline

2014-11-13 21:32 UTCPublished CVE record published
2026-06-17 00:16 UTCUpdated Record last modified

jexperts channel platform DOWNGRADE

Affected: 5.0.33_ccb

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.33_ccb

1. Check installed version

apt-cache policy channel-platform || rpm -q channel-platform || channel-platform --version

2. No fixed release: DOWNGRADE to a release before 5.0.33_ccb (Debian / Ubuntu)

apt-cache madison channel-platform sudo apt install channel-platform=<VERSION_BEFORE_5.0.33_ccb> sudo apt-mark hold channel-platform

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

dnf --showduplicates list channel-platform sudo dnf downgrade channel-platform-<VERSION_BEFORE_5.0.33_ccb> sudo dnf versionlock add channel-platform

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.

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-2014-8557?

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

Is CVE-2014-8557 being exploited?

CVE-2014-8557 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-2014-8557 affect?

CVE-2014-8557 affects channel platform. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in JExperts Channel Platform 5.0.33_CCB allow remote attackers to inject arbitrary web script or HTML via the (1) usuario.nome variable in an editarUsuario action to usuario.do or (2) titu

How urgent is CVE-2014-8557?

Priority 40/100. Public exploit reference

Related CVEs

CVE-2014-8558 MEDIUM 6.5 DOWNGRADE JExperts Channel Platform 5.0.33_CCB allows remote authenticated users to bypass access restrictions via craft

References

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