HOMEVULNERABILITIESCVE-2008-5266
MEDIUMPOC

CVE-2008-5266

CWE-79Published: November 28, 2008· Updated: Jun 16, 2026

4.3
CVSS v3.1

Official Description

Cross-site scripting (XSS) vulnerability in configuration/httpListenerEdit.jsf in the GlassFish 2 UR2 b04 webadmin interface in Sun Java System Application Server 9.1_01 build b09d-fcs and 9.1_02 build b04-fcs allows remote attackers to inject arbitrary web script or HTML via the name parameter, a different vector than CVE-2008-2751.

NVD Source

Technical Analysis

CVE-2008-5266 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2008-5266. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityP
AvailabilityNone
AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected Vendors & Products

Oracle1 product(s)
glassfish server
sun1 product(s)
java system application server
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (12)

Quick Facts

CVE IDCVE-2008-5266
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-79
CISA KEVNo
ExploitPOC
Affected2 vendor(s)
PublishedNov 28, 2008

Related CVEs (CWE-79)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2008-5266 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.