CVE-2022-31743
mediumpriority · track · 26EPSS 0.005 · 40 %ileDEEURUUSEPSS · scored 2026-10-27
Firefox's HTML parser did not correctly interpret HTML comment tags, resulting in an incongruity with other browsers. This could have been used to escape HTML comments on pages that put user-controlled data in them. This vulnerability affects Firefox < 101.
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 (14)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-0019Mozilla Firefox und Thunderbird: Mehrere Schwachstellen ermöglichen CodeausführungDeutsch2022-05-31csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, falsche Informationen darzustellen und einen Denial-of-Service-Zustand zu verursachen.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (12)
External citations — patches, advisories, analysis.
- https://bugzilla.mozilla.org/show_bug.cgi?id=1747388cnnvd
- https://cxsecurity.com/cveshow/CVE-2022-31743/cnnvd
- https://vigilance.fr/vulnerability/Firefox-Thunderbird-multiple-vulnerabilities-38475cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.2686cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.2899cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022053116cnnvd
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-20/Patchcnnvd
- https://www.mozilla.org/security/advisories/mfsa2022-20/cnnvd
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