CVE-2020-5267

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 72.7% of scored records. A rank, not a probability.

NVD base score

4.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-03-19 17:30Z6 YR AGO

Last updated

2024-08-04 08:22Z2 YR AGO

Reserved

2020-01-02

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 4.0)

CNA CVSS vector

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

Weaknesses

• CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)Variant
• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

b8042632e203e957b66bfb8ddb2ddecafb7e347bfb3b6211313a6606397b09c9

• github.comhttps://github.com/rails/rails/security/advisories/GHSA-65cv-r6x7-79hvx_refsource_CONFIRM
• github.comhttps://github.com/rails/rails/commit/033a738817abd6e446e1b320cb7d1a5c15224e9ax_refsource_MISC
• www.openwall.com[oss-security] 20200319 [CVE-2020-5267] Possible XSS vulnerability in ActionViewhttp://www.openwall.com/lists/oss-security/2020/03/19/1mailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20200320 [SECURITY] [DLA 2149-1] rails security updatehttps://lists.debian.org/debian-lts-announce/2020/03/msg00022.htmlmailing-listx_refsource_MLIST
• lists.opensuse.orgopenSUSE-SU-2020:0627http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00019.htmlvendor-advisoryx_refsource_SUSE
• lists.fedoraproject.orgFEDORA-2020-4dd34860a3https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJ7NUWXAEVRQCROIIBV4C6WXO6IR3KSB/vendor-advisoryx_refsource_FEDORA