HOMEVULNERABILITIESCVE-2004-1996
MEDIUMPOC

CVE-2004-1996

NVD-CWE-OtherPublished: May 5, 2004· Updated: Jun 16, 2026

4.3
CVSS v3.1

Official Description

Cross-site scripting (XSS) vulnerability in Simple Machines Forum (SMF) 1.0 allows remote attackers to inject arbitrary web script via the size tag.

NVD Source

Technical Analysis

CVE-2004-1996 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-2004-1996. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

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

simple_machines1 product(s)
smf
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 (6)

Quick Facts

CVE IDCVE-2004-1996
CVSS Score4.3 / 10
SeverityMEDIUM
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedMay 5, 2004

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2004-1996 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.COM. CVE data is provided under the NVD usage policy.