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Vulnerability details: VCID-1yh1-jw3q-dfaq
Vulnerability ID VCID-1yh1-jw3q-dfaq
Aliases CVE-2022-23517
GHSA-5x79-w82f-gw8w
GMS-2022-8298
Summary Inefficient Regular Expression Complexity in rails-html-sanitizer ## Summary Certain configurations of rails-html-sanitizer `< 1.4.4` use an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. ## Mitigation Upgrade to rails-html-sanitizer `>= 1.4.4`.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1333 Inefficient Regular Expression Complexity
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 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23517.json
epss 0.00114 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00114 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00114 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00114 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00222 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2022-23517
cvssv3.1 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-5x79-w82f-gw8w
cvssv3.1 7.5 https://github.com/rails/rails-html-sanitizer
generic_textual HIGH https://github.com/rails/rails-html-sanitizer
cvssv3.1 7.5 https://github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979
generic_textual HIGH https://github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979
ssvc Track https://github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979
cvssv3 7.5 https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
cvssv3.1 7.5 https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
cvssv3.1_qr HIGH https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
generic_textual HIGH https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
ssvc Track https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
cvssv3.1 7.5 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23517.yml
generic_textual HIGH https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23517.yml
cvssv3.1 7.5 https://hackerone.com/reports/1684163
generic_textual HIGH https://hackerone.com/reports/1684163
ssvc Track https://hackerone.com/reports/1684163
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
ssvc Track https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2022-23517
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2022-23517
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23517.json
https://api.first.org/data/v1/epss?cve=CVE-2022-23517
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23517
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/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979
https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23517.yml
https://hackerone.com/reports/1684163
https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
https://nvd.nist.gov/vuln/detail/CVE-2022-23517
1027153 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1027153
2153720 https://bugzilla.redhat.com/show_bug.cgi?id=2153720
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-5x79-w82f-gw8w https://github.com/advisories/GHSA-5x79-w82f-gw8w
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:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23517.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

local

physical

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unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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

adjacent_network

local

physical

low

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none

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unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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

local

physical

low

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unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979
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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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-02T17:07:58Z/ Found at https://github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
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

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none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-02T17:07:58Z/ Found at https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23517.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

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required

unchanged

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none

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://hackerone.com/reports/1684163
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

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-02T17:07:58Z/ Found at https://hackerone.com/reports/1684163
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-02T17:07:58Z/ Found at https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-23517
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.31074
EPSS Score 0.00114
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:04:52.949417+00:00 Ruby Importer Import https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23517.yml 37.0.0