How severe is CVE-2006-5599?

CVE-2006-5599 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2006-5599 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-5599?

CVE-2006-5599 affects Oracle Apex. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-5599?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-5599 published?

CVE-2006-5599 was published on 2006-10-28 and last updated on 2026-06-16.

CVE-2006-5599

CVE-2006-5599 is a medium-severity vulnerability in Oracle Apex with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Apex
Published: 2006-10-28
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Oracle Application Express (formerly HTML DB) before 2.2.1 allows remote attackers to inject arbitrary HTML or web script via the WWV_FLOW_ITEM_HELP package. NOTE: it is likely that this issue overlaps one of the Oracle VulnIDs covered by CVE-2006-5351. Oracle has not publicly disputed claims by a reliable researcher that this has been fixed by the October 2006 CPU.

Frequently asked questions

What is CVE-2006-5599?: Cross-site scripting (XSS) vulnerability in Oracle Application Express (formerly HTML DB) before 2.2.1 allows remote attackers to inject arbitrary HTML or web script via the WWV_FLOW_ITEM_HELP package. NOTE: it is likely that this issue overlaps one of the Oracle VulnIDs covered by CVE-2006-5351. Oracle has not publicly disputed claims by a reliable researcher that this has been fixed by the October 2006 CPU.
How severe is CVE-2006-5599?: CVE-2006-5599 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2006-5599 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5599?: CVE-2006-5599 affects Oracle Apex. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-5599?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-5599 published?: CVE-2006-5599 was published on 2006-10-28 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:oracle:apex:2.2:*:*:*:*:*:*:*

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