6.1

CVE-2018-1000998: freebsd cvsweb Cross-site Scripting

CVSS: 6.1v3.0MediumModified
AliasesUBUNTU-CVE-2018-1000998DEBIAN-CVE-2018-1000998
Published 04-02-2019Last modified 05-08-2024

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.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.0 (NVD)
EPSS score
0.86%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 04-02-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last 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

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

19-09-202619-10-2026
EPSS score
0.86%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (kvakil.me)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • cvsweb< 3:3.0.0-1
Freebsd1 product
Ubuntu1 product
  • cvsweb< 3:3.0.6-8

3 vendors · 3 products

References

4 links