Home/CVE/In the Loofah gem through 2.2.0 for Ruby, non-whitelisted HTML attributes may occur in sanitized output by republishing
CVE

CVE-2018-8048

In the Loofah gem through 2.2.0 for Ruby, non-whitelisted HTML attributes may occur in sanitized output by republishing

In the Loofah gem through 2.2.0 for Ruby, non-whitelisted HTML attributes may occur in sanitized output by republishing a crafted HTML fragment.

MEDIUM · CVSS 6.1 EPSS 0.00689
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
debian linuxall versions
loofah project loofah< 2.2.1
▤

Affected Packages

2
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
RubyGems loofah MODERATE fixed in 2.2.1
RubyGems nokogiri MODERATE fixed in 1.8.3
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Mar 2018 · 05:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

23
suse-csafopenSUSE-SU-2026:10353-1
suse-csafopenSUSE-SU-2026:10356-1
suse-csafopenSUSE-SU-2026:10361-1
suse-csafopenSUSE-SU-2025:15120-1
suse-csafopenSUSE-SU-2025:15125-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2018/03/19/5Mailing ListThird Party Advisory
https://github.com/flavorjones/loofah/issues/144Third Party Advisory
https://security.netapp.com/advisory/ntap-20191122-0003/
https://www.debian.org/security/2018/dsa-4171Third Party Advisory
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