PatchSiren cyber security CVE debrief
CVE-2026-77792 RegistrationMagic CVE debrief
The RegistrationMagic WordPress plugin before 6.0.9.9 does not escape a registration form field value before outputting it in an HTML attribute on an administrative page, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against high privilege users such as admin. This vulnerability has a HIGH CVSS score of 7.5, indicating a high severity level. The CVE record was published on 2026-09-02T06:17:18.063Z and has not been modified since then. Limited source detail available; verify with vendor and monitor for updates. Additional verification tasks are recommended to ensure the accuracy of the information. Administrators and users of the RegistrationMagic WordPress plugin, especially those with high privilege accounts, should be aware of this vulnerability and take immediate action to protect against potential Stored Cross-Site Scripting attacks.
- Vendor
- RegistrationMagic
- Product
- RegistrationMagic WordPress plugin
- CVSS
- HIGH 7.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-02
- Original CVE updated
- 2026-09-03
- Advisory published
- 2026-09-02
- Advisory updated
- 2026-09-03
Who should care
Administrators and users of the RegistrationMagic WordPress plugin, especially those with high privilege accounts, should be aware of this vulnerability and take immediate action to protect against potential Stored Cross-Site Scripting attacks. This includes verifying the plugin version, applying vendor patches or upgrades, and monitoring administrative pages for suspicious activity. Security teams and vulnerability management teams should also be aware of this vulnerability and prioritize patching and mitigation efforts accordingly. Additionally, operators and platform administrators should review the vulnerability details and assess the potential impact on their systems and infrastructure. This vulnerability may require additional security controls and monitoring to prevent exploitation. The RegistrationMagic WordPress plugin is widely used, and its vulnerability may have significant implications for WordPress users and administrators. Therefore, it is essential to take prompt action to mitigate this vulnerability and prevent potential attacks. Security teams should also consider implementing compensating controls, such as web application firewalls, to detect and prevent exploitation attempts. Furthermore, asset inventory and configuration management processes should be reviewed to ensure that all instances of the RegistrationMagic WordPress plugin are identified and prioritized for patching. Overall, this vulnerability requires immediate attention from administrators, security teams, and vulnerability management teams to prevent potential attacks and minimize the risk of exploitation. The vulnerability's high severity level and potential impact on WordPress users and administrators emphasize the need for prompt action and mitigation efforts. The RegistrationMagic WordPress plugin's vulnerability is a significant concern for the WordPress community, and its mitigation requires a coordinated effort from administrators, security teams, and vulnerability management teams. The vulnerability's details and potential impact should be carefully reviewed, and mitigation efforts should be prioritized accordingly. The RegistrationMagic WordPress plugin's vulnerability is
Technical summary
The RegistrationMagic WordPress plugin before 6.0.9.9 does not escape a registration form field value before outputting it in an HTML attribute on an administrative page, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against high privilege users such as admin. CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability has a HIGH CVSS score of 7.5, indicating a high severity level.
Defensive priority
High priority due to HIGH CVSS score of 7.5 and potential for Stored Cross-Site Scripting attacks.
Recommended defensive actions
- Inventory and verify RegistrationMagic WordPress plugin version
- Apply vendor patch or upgrade to version 6.0.9.9 or later
- Monitor administrative pages for suspicious activity
- Implement additional security controls for user input validation
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
Evidence notes
The RegistrationMagic WordPress plugin before 6.0.9.9 does not escape a registration form field value before outputting it in an HTML attribute on an administrative page. Official records indicate a HIGH CVSS score of 7.5. Limited source detail available; verify with vendor and monitor for updates. Additional verification tasks are recommended to ensure the accuracy of the information.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-77792 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-77792
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-77792 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-77792
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://wpscan.com/vulnerability/16661d09-6f8f-4f87-93b9-67a2f8b728f7/
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.