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Websense CVE-2015-2747

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2015-03-26 cve@mitre.org
XSS Websense V Series Appliances Triton
4.3
CVSS 2.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-79
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, M complexity. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.26%.
Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

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. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Websense Triton, Websense V-Series Appliances.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
M
Confidentiality
None
Integrity
P
Availability
None

DescriptionCVE.org

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.

Threat Intelligence Overview

EPSS Score
0.3%
Top 51% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting MEDIUM

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)CVE.org

cpe:2.3:a:websense:triton:7.8.3:*:*:*:*:*:*:*
cpe:2.3:a:websense:v-series_appliances:7.7:*:*:*:*:*:*:*

More in Websense

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CVE-2015-2746 MEDIUM POC
6.5 Mar 26

The network diagnostics tool (CommandLineServlet) in the Appliance Manager command line utility (CLU) in Websense TRITON
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10.0 Mar 27

Unspecified vulnerability in Websense TRITON AP-EMAIL before 8.0.0 has unknown impact and attack vectors, related to "Au
CVE-2015-2763 CRITICAL
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Unspecified vulnerability in Websense TRITON AP-EMAIL before 8.0.0 has unknown impact and attack vectors, related to por
CVE-2015-2748 MEDIUM POC
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Websense TRITON AP-WEB before 8.0.0 does not properly restrict access to files in explorer_wse/, which allows remote att
CVE-2012-2984 MEDIUM POC
4.3 Aug 24

Multiple cross-site scripting (XSS) vulnerabilities in monitor/m_overview.ink in Websense Content Gateway before 7.7.3 a
CVE-2014-9711 MEDIUM POC
4.3 Mar 25

Multiple cross-site scripting (XSS) vulnerabilities in the Investigative Reports in Websense TRITON AP-WEB before 8.0.0

CVE-2015-2703 MEDIUM POC
4.3 Mar 25

Multiple cross-site scripting (XSS) vulnerabilities in Websense TRITON AP-WEB before 8.0.0 and V-Series 7.7 appliances a
CVE-2015-2702 MEDIUM POC
4.3 Mar 25

Cross-site scripting (XSS) vulnerability in the Message Log in the Email Security Gateway in Websense TRITON AP-EMAIL be
CVE-2012-4604 MEDIUM POC
4.3 Aug 23

The TRITON management console in Websense Web Security before 7.6 Hotfix 24 allows remote attackers to bypass authentica
CVE-2015-5718 MEDIUM POC
4.0 Aug 12

Stack-based buffer overflow in the handle_debug_network function in the manager in Websense Content Gateway before 8.0.0
CVE-2015-2772 HIGH
7.5 Mar 27

SVM in Websense TRITON V-Series appliances before 8.0.0 allows attackers to upload arbitrary files via unspecified vecto
CVE-2017-11177 HIGH
7.5 Nov 06

TRITON AP-EMAIL 8.2 before 8.2 IB does not properly restrict file access in an unspecified directory. Rated high severit

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References

Advisories & patches
REF http://packetstormsecurity.com/files/130897/Websense-Data-Security-DLP-Incident-Forensics-Preview-XSS.html REF http://seclists.org/fulldisclosure/2015/Mar/102 REF http://www.securityfocus.com/archive/1/534908/100/0/threaded

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