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CVE Record

CVE-2003-0521: Cross-site scripting (XSS) vulnerability in cPanel 6.4.2 allows remote attackers to insert arbitrary HTML a...

Cross-site scripting (XSS) vulnerability in cPanel 6.4.2 allows remote attackers to insert arbitrary HTML and possibly gain cPanel administrator privileges via script in a URL that is logged but not properly quoted when displayed via the (1) Error Log or (2) Latest Visitors screens.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This older cPanel issue lets an outside attacker place HTML or script into URLs that later appear in administrative log views. If an administrator opens the affected Error Log or Latest Visitors screen, the script may run in their cPanel session and could lead to administrator compromise. Exposure is most likely limited to legacy systems still running cPanel 6.4.2 or closely related unverified builds. The source bundle does not identify other affected versions, package names, or CPEs. Treat as urgent only if legacy cPanel 6.4.2 exists. The business risk is administrator account compromise, but modern environments without this version are unlikely to be exposed based on the provided evidence. Mitigation focus: Check current cPanel vendor guidance for fixed versions or retirement instructions.; Remove or upgrade any cPanel 6.4.2 installations still in use.; Restrict cPanel administrative access to trusted networks and identities..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2003-0521 mapping review

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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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0CVSS vectors
0Timeline events
0ADP providers
1Source links

CVSS and timeline data

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Source materials

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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