CVE-2021-27945

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-04-08 · updated 2026-06-17
Weakness: CWE-79

Description

The Squirro Insights Engine was affected by a Reflected Cross-Site Scripting (XSS) vulnerability affecting versions 2.0.0 up to and including 3.2.4. An attacker can use the vulnerability to inject malicious JavaScript code into the application, which will execute within the browser of any user who views the relevant application content. The attacker-supplied code can perform a wide variety of actions, such as stealing victims' session tokens or login credentials, performing arbitrary actions on their behalf, and logging their keystrokes.

Affected products

Squirro: from 2.0.0 through 3.2.4

References

https://squirro.atlassian.net/wiki/spaces/DOC/pages/2389672672/CVE-2021-27945+-+Cross-Site+Scripting
https://squirro.atlassian.net/wiki/spaces/DOC/pages/2389672672/CVE-2021-27945+-+Cross-Site+Scripting

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