CVE-2018-1000998

Name: CVE-2018-1000998
Creator: NVD / NIST
Published: 2019-02-04T21:29:00.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.86%

Last modified Jun 17, 2026

CVE-2018-1000998 is a vulnerability of currently unknown severity. FreeBSD CVSweb version 2.x contains a Cross Site Scripting (XSS) vulnerability in all pages that can result in limited impact--CVSweb is anonymous & read-only. It might impact other sites on same domain. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

FreeBSD CVSweb version 2.x contains a Cross Site Scripting (XSS) vulnerability in all pages that can result in limited impact--CVSweb is anonymous & read-only. It might impact other sites on same domain. This attack appears to be exploitable via victim must load specially crafted url. This vulnerability appears to have been fixed in 3.x.

Metrics

EPSS Probability

0.86%

54.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Freebsd	Cvsweb	>= 2.0.4, <= 2.0.6

References

https://www.kvakil.me/posts/cvsweb/Exploit, Third Party Advisory
https://www.kvakil.me/posts/cvsweb/Exploit, Third Party Advisory

Timeline

Published: Feb 4, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000998?

How severe is CVE-2018-1000998?

Severity scoring for CVE-2018-1000998 is pending analysis. The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000998?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000998?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST