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Vulnerability record · CVE-2004-1620 · published 21 October 2004

CVE-2004-1620: S9y serendipity vulnerability

S9y · Serendipity

CRLF injection vulnerability in Serendipity before 0.7rc1 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via the url parameter in (1) index.php and (2) exit.php, or (3) the HTTP Referer field in comment.php.

5.0 CVSS 2.0 Medium EPSS 8.1% · top 5.3%
5.0CVSS 2.0 base score
8.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
26References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

CRLF injection vulnerability in Serendipity before 0.7rc1 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via the url parameter in (1) index.php and (2) exit.php, or (3) the HTTP Referer field in comment.php.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/comment.php?rev=1.49&view=markup
http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/exit.php?rev=1.10&view=markup
http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/index.php?rev=1.52&view=markup
http://marc.info/?l=bugtraq&m=109841283115808&w=2
http://secunia.com/advisories/12909/ ExploitPatchVendor Advisory
http://securitytracker.com/id?1011864
http://sourceforge.net/project/shownotes.php?release_id=276694
http://www.osvdb.org/11013
http://www.osvdb.org/11038
http://www.osvdb.org/11039
http://www.s9y.org/5.html ExploitPatchVendor Advisory
http://www.securityfocus.com/bid/11497 ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17798
http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/comment.php?rev=1.49&view=markup
http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/exit.php?rev=1.10&view=markup
http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/index.php?rev=1.52&view=markup
http://marc.info/?l=bugtraq&m=109841283115808&w=2
http://secunia.com/advisories/12909/ ExploitPatchVendor Advisory
http://securitytracker.com/id?1011864
http://sourceforge.net/project/shownotes.php?release_id=276694
http://www.osvdb.org/11013
http://www.osvdb.org/11038
http://www.osvdb.org/11039
http://www.s9y.org/5.html ExploitPatchVendor Advisory
http://www.securityfocus.com/bid/11497 ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17798

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2004-1620), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.