CVE-2004-1507

CVE-2004-1507 is a medium-severity vulnerability in Webcalendar with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

CRLF injection vulnerability in login.php in WebCalendar allows remote attackers to inject CRLF sequences via the return_path parameter and perform HTTP Response Splitting attacks to modify expected HTML content from the server.

Frequently asked questions

What is CVE-2004-1507?
CRLF injection vulnerability in login.php in WebCalendar allows remote attackers to inject CRLF sequences via the return_path parameter and perform HTTP Response Splitting attacks to modify expected HTML content from the server.
How severe is CVE-2004-1507?
CVE-2004-1507 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1507 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1507?
CVE-2004-1507 primarily affects Webcalendar. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-1507?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1507 published?
CVE-2004-1507 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (30)

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