CVE-2015-2747: Multiple cross-site scripting (XSS) vulnerabilities in the data loss prevention (DLP) incident Forensics Previ

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MEDIUM 4.3DOWNGRADEDOWNGRADE

CVE-2015-2747 is a medium-severity flaw (CVSS 4.3) affecting triton, v-series appliances. 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 the data loss prevention (DLP) incident Forensics Preview in Websense Triton 7.8.3 and V-Series 7.7 appliances allow remote attackers to inject arbitrary web script or HTML via a crafted (1) email or (2) HTTP request, which triggers a DLP Policy.

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 20%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-03-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: websense

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

Am I affected?

Timeline

2015-03-26 14:59 UTCPublished CVE record published
2026-06-17 00:24 UTCUpdated Record last modified

websense triton DOWNGRADE

Affected: 7.8.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.8.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 7.8.3 (Debian / Ubuntu)

apt-cache madison triton sudo apt install triton=<VERSION_BEFORE_7.8.3> sudo apt-mark hold triton

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

dnf --showduplicates list triton sudo dnf downgrade triton-<VERSION_BEFORE_7.8.3> sudo dnf versionlock add triton

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.

websense v-series appliances DOWNGRADE

Affected: 7.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.7

1. Check installed version

apt-cache policy v-series-appliances || rpm -q v-series-appliances || v-series-appliances --version

2. No fixed release: DOWNGRADE to a release before 7.7 (Debian / Ubuntu)

apt-cache madison v-series-appliances sudo apt install v-series-appliances=<VERSION_BEFORE_7.7> sudo apt-mark hold v-series-appliances

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

dnf --showduplicates list v-series-appliances sudo dnf downgrade v-series-appliances-<VERSION_BEFORE_7.7> sudo dnf versionlock add v-series-appliances

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-2015-2747?

triton: downgrade or apply the listed mitigation; v-series appliances: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-2747 being exploited?

CVE-2015-2747 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-2015-2747 affect?

CVE-2015-2747 affects triton, v-series appliances. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in the data loss prevention (DLP) incident Forensics Preview in Websense Triton 7.8.3 and V-Series 7.7 appliances allow remote attackers to inject arbitrary web script or HTML via a crafte

How urgent is CVE-2015-2747?

Priority 40/100. Public exploit reference

Related CVEs

CVE-2015-2746 MEDIUM 6.5 DOWNGRADE UPGRADE The network diagnostics tool (CommandLineServlet) in the Appliance Manager command line utility (CLU) in Webse

References

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