7.1

CVE-2022-40313: fedoraproject extra_packages_for_enterprise_linux Cross-site Scripting

CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2022-40313
Published 30-09-2022Last modified 20-05-2025

Vulnerability summary

CVE-2022-40313 is a high (CVSS 7.1) Cross-site Scripting vulnerability in fedoraproject extra_packages_for_enterprise_linux. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 52.9% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.72%
0%100%
Low · +0.14 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-09-2022
    PublishedVulnerability first disclosed.
  2. 20-05-2025
    Last modifiedVulnerability information updated.

Description

Recursive rendering of Mustache template helpers containing user input could, in some cases, result in an XSS risk or a page failing to load.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.72%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

+0.14 pp

From 0.58% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.72%

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

Fedoraproject2 products
Moodle1 product
  • moodle≥ 3.9.0, < 3.9.17 | ≥ 3.11.0, < 3.11.10 | ≥ 4.0.0, < 4.0.4
Ubuntu1 product
  • moodleAll versions (No fix recorded)

3 vendors · 4 products

References

4 links