CVE-2020-5267

Name: CVE-2020-5267
Creator: NVD / NIST
Published: 2020-03-19T18:15:16.023+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 1.54%

Last modified Jun 17, 2026

CVE-2020-5267 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. In ActionView before versions 6.0.2.2 and 5.2.4.2, there is a possible XSS vulnerability in ActionView's JavaScript literal escape helpers. Views that use the `j` or `escape_javascript` methods may be susceptible to XSS attacks. EPSS estimates a 1.54% chance of exploitation in the next 30 days.

Description

In ActionView before versions 6.0.2.2 and 5.2.4.2, there is a possible XSS vulnerability in ActionView's JavaScript literal escape helpers. Views that use the `j` or `escape_javascript` methods may be susceptible to XSS attacks. The issue is fixed in versions 6.0.2.2 and 5.2.4.2.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

1.54%

71.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rubyonrails	Actionview	< 5.2.4.2
Rubyonrails	Actionview	>= 6.0.0, < 6.0.2.2
Debian	Debian Linux	8.0
Fedoraproject	Fedora	33
Opensuse	Leap	15.1

References

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00019.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/03/19/1Exploit, Mailing List, Patch, Third Party Advisory
https://github.com/rails/rails/commit/033a738817abd6e446e1b320cb7d1a5c15224e9aPatch, Third Party Advisory
https://github.com/rails/rails/security/advisories/GHSA-65cv-r6x7-79hvExploit, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00022.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJ7NUWXAEVRQCROIIBV4C6WXO6IR3KSB/
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00019.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/03/19/1Exploit, Mailing List, Patch, Third Party Advisory
https://github.com/rails/rails/commit/033a738817abd6e446e1b320cb7d1a5c15224e9aPatch, Third Party Advisory
https://github.com/rails/rails/security/advisories/GHSA-65cv-r6x7-79hvExploit, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00022.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJ7NUWXAEVRQCROIIBV4C6WXO6IR3KSB/

Timeline

Published: Mar 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5267?

How severe is CVE-2020-5267?

CVE-2020-5267 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5267?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-5267?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST