CVE-2004-2363
Validate-Before-Canonicalize vulnerability in the checkURI function in functions.inc.php in PHPX 3.0 through 3.2.6 allows remote attackers to conduct cross-site scripting (XSS) attacks via hex-encoded tags, which bypass the check for literal "<", ">",…
Does this matter?
A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 1.8%. Treat it as high on anything reachable from the internet.
Description
Validate-Before-Canonicalize vulnerability in the checkURI function in functions.inc.php in PHPX 3.0 through 3.2.6 allows remote attackers to conduct cross-site scripting (XSS) attacks via hex-encoded tags, which bypass the check for literal "<", ">", "(", and ")" characters, as demonstrated using the limit parameter to forums.php and a variety of other vectors.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 1.85% probability · 79th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 5 May 2004
- CISA KEV
- Not listed
- Affected
- phpx/phpx
- Source
- cve@mitre.org
EPSS 1.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.phpx.org/project.php?action=view&project_id=1Patch, URL Repurposed
- http://www.securityfocus.com/archive/1/362230Exploit, Vendor Advisory
- http://www.securityfocus.com/bid/10283Exploit, Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16065
- http://www.phpx.org/project.php?action=view&project_id=1Patch, URL Repurposed
- http://www.securityfocus.com/archive/1/362230Exploit, Vendor Advisory
- http://www.securityfocus.com/bid/10283Exploit, Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16065
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.