How severe is CVE-2003-0442?

CVE-2003-0442 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2003-0442 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0442?

CVE-2003-0442 primarily affects Php. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0442?

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

When was CVE-2003-0442 published?

CVE-2003-0442 was published on 2003-07-24 and last updated on 2026-06-16.

CVE-2003-0442

CVE-2003-0442 is a medium-severity vulnerability in Php 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: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Php
Published: 2003-07-24
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the transparent SID support capability for PHP before 4.3.2 (session.use_trans_sid) allows remote attackers to insert arbitrary script via the PHPSESSID parameter.

Frequently asked questions

What is CVE-2003-0442?: Cross-site scripting (XSS) vulnerability in the transparent SID support capability for PHP before 4.3.2 (session.use_trans_sid) allows remote attackers to insert arbitrary script via the PHPSESSID parameter.
How severe is CVE-2003-0442?: CVE-2003-0442 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2003-0442 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0442?: CVE-2003-0442 primarily affects Php. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0442?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0442 published?: CVE-2003-0442 was published on 2003-07-24 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:9.0:*:*:*:*:*:*:*

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