How severe is CVE-2003-1203?

CVE-2003-1203 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2003-1203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-1203?

CVE-2003-1203 affects Mambo Mambo Site Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-1203?

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

When was CVE-2003-1203 published?

CVE-2003-1203 was published on 2003-03-18 and last updated on 2026-06-16.

CVE-2003-1203

CVE-2003-1203 is a medium-severity vulnerability in Mambo Mambo Site Server 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: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mambo Mambo Site Server
Published: 2003-03-18
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in index.php for Mambo Site Server 4.0.10 allows remote attackers to execute script on other clients via the ?option parameter.

Frequently asked questions

What is CVE-2003-1203?: Cross-site scripting (XSS) vulnerability in index.php for Mambo Site Server 4.0.10 allows remote attackers to execute script on other clients via the ?option parameter.
How severe is CVE-2003-1203?: CVE-2003-1203 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2003-1203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1203?: CVE-2003-1203 affects Mambo Mambo Site Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-1203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-1203 published?: CVE-2003-1203 was published on 2003-03-18 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mambo:mambo_site_server:4.0.10:*:*:*:*:*:*:*

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