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.
CVSS score
7.1/10
010
High · v3.1 (CVE.org)EPSS score
0.72%
0%100%
Low · +0.14 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 30-09-2022PublishedVulnerability first disclosed.
- 20-05-2025Last 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 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- NVDNIST7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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 score0.72%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fedoraproject2 products
- extra_packages_for_enterprise_linux8.0
- fedoraEOL35 | 36
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