CVE-2015-2768: Cross-site scripting (XSS) vulnerability in Websense TRITON AP-EMAIL before 8.0.0 and V-Series 7.7 appliances

Routine

MEDIUM 4.3UPGRADEDOWNGRADE

CVE-2015-2768 is a medium-severity flaw (CVSS 4.3) affecting triton ap email, v-series appliances. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Websense TRITON AP-EMAIL before 8.0.0 and V-Series 7.7 appliances allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-03-27
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

2015-03-27 14:59 UTCPublished CVE record published
2026-06-17 00:24 UTCUpdated Record last modified

websense triton ap email UPGRADE

Affected: <= 7.8.3

Fixed in: newer than 7.8.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 7.8.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade triton-ap-email

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade triton-ap-email

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2015-2768?

triton ap email: upgrade to newer than 7.8.3; v-series appliances: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-2768 being exploited?

CVE-2015-2768 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-2015-2768 affect?

CVE-2015-2768 affects triton ap email, v-series appliances. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Websense TRITON AP-EMAIL before 8.0.0 and V-Series 7.7 appliances allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

How urgent is CVE-2015-2768?

Priority 30/100. No elevated risk signals yet.

Related CVEs

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CVE-2015-2771 MEDIUM 5.0 UPGRADE UPGRADE The Mail Server in Websense TRITON AP-EMAIL and V-Series appliances before 8.0.0 uses plaintext credentials, w
CVE-2015-2769 MEDIUM 6.8 UPGRADE Multiple cross-site request forgery (CSRF) vulnerabilities in the Personal Email Manager (PEM) in Websense TRI
CVE-2015-2767 HIGH 10.0 UPGRADE Unspecified vulnerability in Websense TRITON AP-EMAIL before 8.0.0 has unknown impact and attack vectors, rela
CVE-2015-2766 MEDIUM 5.0 UPGRADE The Personal Email Manager (PEM) in Websense TRITON AP-EMAIL before 8.0.0 allows attackers to have unspecified

References

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