CVE-2020-26282

10.0
CRITICALCVSS v3.1 Base Score
4.83%
LOW RiskEPSS (92nd percentile)

BrowserUp Proxy allows you to manipulate HTTP requests and responses, capture HTTP content, and export performance data as a HAR file. BrowserUp Proxy works well as a standalone proxy server, but it is especially useful when embedded in Selenium tests. A Server-Side Template Injection was identified in BrowserUp Proxy enabling attackers to inject arbitrary Java EL expressions, leading to unauthenticated Remote Code Execution (RCE) vulnerability. This has been patched in version 2.1.2.

Published: 12/24/2020
Modified: 6/17/2026
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Vulnerability Summary

CVSS v3 Score

10CRITICAL

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

CVSS v2 Score

7.5

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Score (Exploitation Probability)

4.83%LOW Exploitation Risk
92nd percentile

This vulnerability has a 4.83% probability of being exploited in the next 30 days, ranking higher than 92% of all scored CVEs.

CWE Classification

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