CVE-2020-8264
In actionpack gem >= 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed (in another page) a specially crafted URL which can allow the attacker to execute JavaScript in the…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 67.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
In actionpack gem >= 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed (in another page) a specially crafted URL which can allow the attacker to execute JavaScript in the context of the local application. This vulnerability is in the Actionable Exceptions middleware.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 66.99% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- rubyonrails/rails
- Source
- support@hackerone.com
References
- https://groups.google.com/g/rubyonrails-security/c/yQzUVfv42jk/m/oJWw-xhNAQAJMailing List, Third Party Advisory
- https://hackerone.com/reports/904059Exploit, Patch, Third Party Advisory
- https://groups.google.com/g/rubyonrails-security/c/yQzUVfv42jk/m/oJWw-xhNAQAJMailing List, Third Party Advisory
- https://hackerone.com/reports/904059Exploit, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.