Grafana
CVE-2020-13429
MEDIUM
Severity by source
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
Lifecycle Timeline
1DescriptionNVD
legend.ts in the piechart-panel (aka Pie Chart Panel) plugin before 1.5.0 for Grafana allows XSS via the Values Header (aka legend header) option.
AnalysisAI
legend.ts in the piechart-panel (aka Pie Chart Panel) plugin before 1.5.0 for Grafana allows XSS via the Values Header (aka legend header) option. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. 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. legend.ts in the piechart-panel (aka Pie Chart Panel) plugin before 1.5.0 for Grafana allows XSS via the Values Header (aka legend header) option. Affected products include: Grafana Piechart-Panel. Version information: before 1.5.0.
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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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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