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Openwrt CVE-2021-45905

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2021-12-27 cve@mitre.org
XSS Openwrt
5.4
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.4 MEDIUM
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVE Published
Dec 27, 2021 - 23:15 nvd
MEDIUM 5.4

DescriptionNVD

OpenWrt 21.02.1 allows XSS via the Traffic Rules Name screen.

AnalysisAI

OpenWrt 21.02.1 allows XSS via the Traffic Rules Name screen. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. OpenWrt 21.02.1 allows XSS via the Traffic Rules Name screen. Affected products include: Openwrt.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

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CVE-2021-45905 vulnerability details – vuln.today
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