CVE-2019-11871

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

0.93% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 58.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2019-05-10 02:58Z7 YR AGO

Last updated

2024-08-04 23:03Z2 YR AGO

Reserved

2019-05-09

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

bc7703558e717de9d5b85ef573498c7ea671dc4b025897be6dc5770b0f0ebda8

• wordpress.orghttps://wordpress.org/plugins/custom-field-suite/#developersx_refsource_MISC
• blog.reddy.iohttps://blog.reddy.io/2019/05/30/xss-injection-vulnerability-in-custom-field-suite-wordpress-plugin/x_refsource_MISC
• wpvulndb.comhttps://wpvulndb.com/vulnerabilities/9273x_refsource_MISC