CVE-2018-1000998: freebsd cvsweb Cross-site Scripting
Vulnerability summary
CVE-2018-1000998 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in freebsd cvsweb. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 57.9% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 04-02-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.86%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
0.00 pp
From 0.86% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (kvakil.me)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- cvsweb< 3:3.0.0-1
Freebsd1 product
- cvsweb≥ 2.0.4, ≤ 2.0.6
Ubuntu1 product
- cvsweb< 3:3.0.6-8
3 vendors · 3 products