CVE-2004-2243

CVE-2004-2243 is a high-severity vulnerability in Phorum with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Phorum allows remote attackers to hijack sessions of other users by stealing and replaying the session hash in the phorum_uriauth parameter, as demonstrated using profile.php. NOTE: the affected version was reported to be 4.3.7, but this may be erroneous.

Frequently asked questions

What is CVE-2004-2243?
Phorum allows remote attackers to hijack sessions of other users by stealing and replaying the session hash in the phorum_uriauth parameter, as demonstrated using profile.php. NOTE: the affected version was reported to be 4.3.7, but this may be erroneous.
How severe is CVE-2004-2243?
CVE-2004-2243 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-2243 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2243?
CVE-2004-2243 affects Phorum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-2243?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-2243 published?
CVE-2004-2243 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (1)

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