Administrator stored XSS via unsanitized settings
Published Nov 19, 2024 · Updated Apr 28, 2026
Stored XSS in HyScaler WP Roles at Registration 0.23 and earlier allows remote authenticated users to execute scripts via admin settings. The plugin stores administrator-supplied settings without sufficient input sanitization or output escaping, so crafted script content is rendered in later page views. Administrator access is required, and exploitation affects multisite installations or sites with unfiltered_html disabled when a user views the injected page.
Summary
What happened
Stored XSS in HyScaler WP Roles at Registration 0.23 and earlier allows remote authenticated users to execute scripts via admin settings. The plugin stores administrator-supplied settings without sufficient input sanitization or output escaping, so crafted script content is rendered in later page views. Administrator access is required, and exploitation affects multisite installations or sites with unfiltered_html disabled when a user views the injected page.
The record
- CVE
- CVE-2023-27609
- Published
- Nov 19, 2024
- Updated
- Apr 28, 2026
- Vendor
- HyScaler
- Product
- WP Roles at Registration
- Classifications
- CWE-79, CAPEC-592, T1203
- Attack vector
- network
- Privileges
- admin
Timeline
How it unfolded
- Nov 19, 2024CVE publishedPublication date reported by the CVE source.
- Apr 28, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=n/a <=0.23
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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