CVE•Published 2023-01-27•Modified 2026-04-08•1 article on news•6 live references•NVD data
CVE-2023-0558Contentstudio · Contentstudio
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS percentile
82
Exploit Prediction Scoring System · top 18% of all CVEs
Weaknesses (CWE)
Description
The ContentStudio plugin for WordPress is vulnerable to authorization bypass due to an unsecure token check that is susceptible to type juggling in versions up to, and including, 1.2.5. This makes it possible for unauthenticated attackers to execute functions intended for use by users with proper API keys.
Timeline
Published 2023-01-27
Modified 2026-04-08
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-0558Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · WP plugin path
http.html:"/wp-content/plugins/contentstudio/"Matches any site loading the "contentstudio" plugin — doesn't rely on Shodan's vuln tag.
Shodan · product
product:"Contentstudio Contentstudio"All exposed Contentstudio Contentstudio instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Contentstudio"HTTP body or banner mentions "Contentstudio" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-0558Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-0558Censys host search filtered to this CVE id.
grep.app
CVE-2023-0558Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-0558GitHub code search for direct mentions.
Google dork
"CVE-2023-0558" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.