CVE-2022-45363
Published: April 11, 2026
Official Description
Auth. (subscriber+) Stored Cross-Site Scripting (XSS) in Muffingroup Betheme theme <= 26.6.1 on WordPress.
Risk Analysis
This vulnerability in the Muffingroup Betheme allows authenticated subscribers to inject stored cross-site scripting (XSS) code. While specific severity scores are not available, its inclusion in CISA's KEV confirms that this flaw is actively being exploited.
This vulnerability is actively being exploited in the wild, confirming its use by attackers.
Update the Betheme theme to a version beyond 26.6.1 to address the stored XSS vulnerability. Implement robust input validation and output encoding for all user-supplied data.
Technical Analysis
CVE-2022-45363 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2022-45363 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-45363 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1