CVE-2007-3423

CVE-2007-3423 is a high-severity vulnerability in Web-app.org Webapp 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

cgi-bin/cgi-lib/instantmessage.pl in web-app.org WebAPP before 0.9.9.7 uses the From field of an instant message as the beginning of the .dat file name when the (1) imview2 or (2) imview3 function reads (a) an internal IM, or a message from a (b) guest or (c) removed member, which has unknown impact and remote attack vectors.

Frequently asked questions

What is CVE-2007-3423?
cgi-bin/cgi-lib/instantmessage.pl in web-app.org WebAPP before 0.9.9.7 uses the From field of an instant message as the beginning of the .dat file name when the (1) imview2 or (2) imview3 function reads (a) an internal IM, or a message from a (b) guest or (c) removed member, which has unknown impact and remote attack vectors.
How severe is CVE-2007-3423?
CVE-2007-3423 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2007-3423 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3423?
CVE-2007-3423 affects Web-app.org Webapp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-3423?
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-2007-3423 published?
CVE-2007-3423 was published on 2007-06-26 and last updated on 2026-06-16.

References

Affected products (1)

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