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CVE Record

CVE-2004-2363: Validate-Before-Canonicalize vulnerability in the checkURI function in functions.inc.php in PHPX 3.0 throug...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2004-2363 is an old cross-site scripting issue in PHPX 3.0 through 3.2.6. Attackers could submit encoded characters that slipped past filtering and caused browser-side script execution. Business risk depends on whether legacy PHPX remains deployed, especially on public forum pages. Exposure is likely limited to organizations still running PHPX 3.0 through 3.2.6 or inherited sites using its code. The bundle does not identify modern affected products or maintained downstream packages. Treat as a legacy exposure check, not an emergency, unless PHPX is internet-facing or handles authenticated users. Prioritize inventory and retirement because unsupported web forum code can create avoidable account and data exposure. Mitigation focus: Inventory and retire any PHPX 3.0 through 3.2.6 deployments.; Check archived vendor or maintainer guidance before applying any version-specific fix.; Restrict public access to legacy PHPX pages until remediation is confirmed..

Prepared

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Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0ADP providers
2Source links

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Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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