CVE-2023-44270
mediumpriority · track · 21EPSS 0.010 · 62 %ileDEEURUUSEPSS · scored 2026-10-26
An issue was discovered in PostCSS before 8.4.31. The vulnerability affects linters using PostCSS to parse external untrusted CSS. An attacker can prepare CSS in such a way that it will contains parts parsed by PostCSS as a CSS comment. After processing by PostCSS, it will be included in the PostCSS output in CSS nodes (rules, properties) despite being included in a comment.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
advisories (6)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-2964Splunk Enterprise: Mehrere SchwachstellenDeutsch2023-11-16csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Splunk Splunk Enterprise ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, um Code auszuführen und um nicht näher spezifizierte Auswirkungen zu erzielen.
- WID-SEC-W-2024-0753IBM Business Automation Workflow: Mehrere SchwachstellenDeutsch2024-04-01csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in IBM Business Automation Workflow ausnutzen, um Dateien zu manipulieren oder einen Cross-Site-Scripting-Angriff durchzuführen.
- WID-SEC-W-2024-0858IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2024-04-14csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um Phishing-Angriffe durchzuführen, Sicherheitsmaßnahmen zu umgehen, beliebigen Code auszuführen oder vertrauliche Informationen offenzulegen.
- WID-SEC-W-2024-3577Red Hat OpenShift: Schwachstelle ermöglicht Manipulation von DatenDeutsch2024-12-02csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat OpenShift ausnutzen, um Daten zu manipulieren.
- WID-SEC-W-2026-0180Dell Data Protection Advisor: Mehrere SchwachstellenDeutsch2026-01-20csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell Data Protection Advisor ausnutzen, um beliebigen Code auszuführen, einen Denial-of-Service-Zustand zu erzeugen, Sicherheitsmaßnahmen zu umgehen und nicht näher spezifizierte Angriffe zu starten.
- GHSA-7fh5-64p2-3v2jPostCSS line return parsing error2023-09-30ghsa · osvUS
An issue was discovered in PostCSS before 8.4.31. It affects linters using PostCSS to parse external Cascading Style Sheets (CSS). There may be `\r` discrepancies, as demonstrated by `@font-face{ font:(\r/*);}` in a rule. This vulnerability affects linters using PostCSS to parse external untrusted CSS. An attacker can prepare CSS in such a way that it will contains parts parsed by PostCSS as a CSS comment. After processing by PostCSS, it will be included in the PostCSS output in CSS nodes (rules, properties) despite being originally included in a comment.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (15)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-44270/cnnvd
- https://github.com/github/advisory-database/issues/2820cnnvd
- https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25cnnvd
- https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5cnnvd
- https://github.com/postcss/postcss/releases/tag/8.4.31cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.6842cnnvd
- https://github.com/github/advisory-database/issues/2820enisa_euvd
- https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25enisa_euvd
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