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CVE-2004-1809

19
FAUCET Score

CVE-2004-1809 describes a cross-site scripting (XSS) vulnerability in phpBB 2.0.6d and earlier versions. This flaw allows remote attackers to inject arbitrary web script or HTML through the 'postdays' parameter in viewtopic.php or the 'topicdays' parameter in viewforum.php. With a CVSS score of 4.3, this vulnerability has a network attack vector and medium attack complexity, potentially leading to information disclosure or defacement (impact on integrity). While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, with 11 mentions across various platforms.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.0CPE matchmatch criteria
cpe:2.3:a:phpbb_group:phpbb:2.0.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:phpbb_group:phpbb:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:phpbb_group:phpbb:2.0.2:*:*:*:*:*:*:*
2.0.3CPE matchmatch criteria
cpe:2.3:a:phpbb_group:phpbb:2.0.3:*:*:*:*:*:*:*
2.0.4CPE matchmatch criteria
cpe:2.3:a:phpbb_group:phpbb:2.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.41%
Probability of exploitation in next 30 days
EPSS Percentile
69.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0141 is in the 41st percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

marc.info
secunia.com / advisories/11121
Patch
exchange.xforce.ibmcloud.com / vulnerabilities/15464
osvdb.org / 4257
osvdb.org / 4259
phpbb.com / support/documents.php
securityfocus.com / bid/9865
Patch
securityfocus.com / bid/9866
Patch