CVE-2023-0558

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

0.88% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 56.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2023-01-27 21:09Z3 YR AGO

Last updated

2026-04-08 17:20Z4 MO AGO

Reserved

2023-01-27

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

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

Weaknesses

• CWE-639Authorization Bypass Through User-Controlled KeyBase

Data version

5.2

Document digest

bada8b342556a3168538dd976c59cfa0b55617e86e89a027cb13f1695928182a

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/c31828dc-ef94-4895-8395-a5d52a0a82bd?source=cve
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/contentstudio/trunk/contentstudio-plugin.php#L416