6.1

CVE-2021-45088: debian debian_linux Cross-site Scripting

CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2021-45088DEBIAN-CVE-2021-45088
Published 16-12-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-45088 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in debian debian_linux. EPSS estimates a 1.54% chance of exploitation in the next 30 days, higher than 74.4% 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 · v3.1 (NVD)
EPSS score
1.54%
0%100%
Low · +0.11 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 4 · Related 1
DLA-3074-1DSA-5042-1MGASA-2022-0053OPENSUSE-SU-2024:11690-1

Timeline

  1. 16-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an error page.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.54%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

+0.11 pp

From 1.43% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.54%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.gnome.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Gnome1 product
Ubuntu1 product
  • epiphany-browserAll versions (No fix recorded)

3 vendors · 4 products

References

7 links