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Vulnerability details: VCID-8x54-m4j9-5kh5
Vulnerability ID VCID-8x54-m4j9-5kh5
Aliases CVE-2022-23518
GHSA-mcvf-2q2m-x72m
GMS-2022-8300
Summary Improper neutralization of data URIs may allow XSS in rails-html-sanitizer ## Summary rails-html-sanitizer `>= 1.0.3, < 1.4.4` is vulnerable to cross-site scripting via data URIs when used in combination with Loofah `>= 2.1.0`. ## Mitigation Upgrade to rails-html-sanitizer `>= 1.4.4`.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23518.json
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.00234 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
epss 0.0024 https://api.first.org/data/v1/epss?cve=CVE-2022-23518
cvssv3.1 7.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-mcvf-2q2m-x72m
cvssv3.1 6.1 https://github.com/rails/rails-html-sanitizer
generic_textual MODERATE https://github.com/rails/rails-html-sanitizer
cvssv3.1 6.1 https://github.com/rails/rails-html-sanitizer/issues/135
generic_textual MODERATE https://github.com/rails/rails-html-sanitizer/issues/135
cvssv3 6.1 https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
cvssv3.1 6.1 https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
cvssv3.1_qr MODERATE https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
generic_textual MODERATE https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
cvssv3.1 6.1 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23518.yml
generic_textual MODERATE https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23518.yml
cvssv3.1 6.1 https://github.com/w3c/svgwg/issues/266
generic_textual MODERATE https://github.com/w3c/svgwg/issues/266
cvssv3.1 6.1 https://hackerone.com/reports/1694173
generic_textual MODERATE https://hackerone.com/reports/1694173
cvssv3.1 6.1 https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
generic_textual MODERATE https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2022-23518
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2022-23518
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23518.json
https://api.first.org/data/v1/epss?cve=CVE-2022-23518
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23518
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/rails/rails-html-sanitizer
https://github.com/rails/rails-html-sanitizer/issues/135
https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23518.yml
https://github.com/w3c/svgwg/issues/266
https://hackerone.com/reports/1694173
https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
https://nvd.nist.gov/vuln/detail/CVE-2022-23518
1027153 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1027153
2153701 https://bugzilla.redhat.com/show_bug.cgi?id=2153701
cpe:2.3:a:loofah_project:loofah:*:*:*:*:*:ruby:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:loofah_project:loofah:*:*:*:*:*:ruby:*:*
cpe:2.3:a:rubyonrails:rails_html_sanitizers:*:*:*:*:*:rails:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:rubyonrails:rails_html_sanitizers:*:*:*:*:*:rails:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
GHSA-mcvf-2q2m-x72m https://github.com/advisories/GHSA-mcvf-2q2m-x72m
RHSA-2023:2097 https://access.redhat.com/errata/RHSA-2023:2097
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23518.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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physical

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/rails/rails-html-sanitizer
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/rails/rails-html-sanitizer/issues/135
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23518.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/w3c/svgwg/issues/266
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

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low

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://hackerone.com/reports/1694173
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

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low

none

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-23518
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

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none

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none
Exploit Prediction Scoring System (EPSS)
Percentile 0.30754
EPSS Score 0.00112
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:04:52.968595+00:00 Ruby Importer Import https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23518.yml 37.0.0