5.4

CVE-2021-26925: fedoraproject fedora Cross-site Scripting

CVSS: 5.4v3.1MediumModified
AliasesMGASA-2021-0130UBUNTU-CVE-2021-26925DEBIAN-CVE-2021-26925
Published 09-02-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-26925 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in fedoraproject fedora. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.4% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (NVD)
EPSS score
1.01%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-02-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.01%

Chance of exploitation in the next 30 days

Percentile

62%

Versus all other CVEs

30-day change

0.00 pp

From 1.01% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.01%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • roundcube< 1.4.11+dfsg.1-1
Fedoraproject1 product
Mageia1 product
  • roundcubemail< 1.4.11-1.mga7
Roundcube1 product
Ubuntu1 product
  • roundcube< 1.5.0+dfsg.1-2

5 vendors · 5 products

References

9 links