MEDIUM
CVE-2004-2157
NVD-CWE-OtherPublished: December 31, 2004· Updated: Jun 16, 2026
4.3
CVSS v3.1
Official Description
Cross-site scripting (XSS) vulnerability in Comment.php in Serendipity 0.7 beta1, and possibly other versions before 0.7-beta3, allows remote attackers to inject arbitrary HTML and PHP code via the (1) email or (2) username field.
Technical Analysis
CVE-2004-2157 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.
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
s9y1 product(s)
serendipity
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (10)
→
http://lists.grok.org.uk/pipermail/full-disclosure/2004-September/026955.htmlExploit · Vendor Advisory
→
http://secunia.com/advisories/12673/Patch · Vendor Advisory
→
http://securitytracker.com/id?1011448Exploit · Patch
→
http://www.securityfocus.com/bid/11269Exploit · Patch
→
http://lists.grok.org.uk/pipermail/full-disclosure/2004-September/026955.htmlExploit · Vendor Advisory
→
http://secunia.com/advisories/12673/Patch · Vendor Advisory
→
http://securitytracker.com/id?1011448Exploit · Patch
→
http://www.securityfocus.com/bid/11269Exploit · Patch
Quick Facts
CVE IDCVE-2004-2157
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedDec 31, 2004
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2004-2157 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.