CVE-2024-9616: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in blockmeister BlockMeister – Block Pattern Builder
The BlockMeister – Block Pattern Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.1.10. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
AI Analysis
Technical Summary
CVE-2024-9616 is a reflected cross-site scripting vulnerability in the BlockMeister – Block Pattern Builder WordPress plugin. The issue arises from the use of add_query_arg without proper escaping of URL parameters in all versions up to and including 3.1.10. This allows unauthenticated attackers to inject arbitrary web scripts that execute when a user interacts with a maliciously crafted link. The vulnerability has a CVSS 3.1 base score of 6.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N), reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and low impact on confidentiality and integrity with no impact on availability.
Potential Impact
Successful exploitation can lead to execution of arbitrary scripts in the context of the victim's browser, potentially allowing theft of user data, session hijacking, or other malicious actions limited to the user's session. The impact is limited to confidentiality and integrity with no direct availability impact. No known active exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution with links related to the BlockMeister plugin and consider disabling or removing the plugin if possible. Monitor vendor channels for updates and apply patches promptly once released.
CVE-2024-9616: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in blockmeister BlockMeister – Block Pattern Builder
Description
The BlockMeister – Block Pattern Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.1.10. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-9616 is a reflected cross-site scripting vulnerability in the BlockMeister – Block Pattern Builder WordPress plugin. The issue arises from the use of add_query_arg without proper escaping of URL parameters in all versions up to and including 3.1.10. This allows unauthenticated attackers to inject arbitrary web scripts that execute when a user interacts with a maliciously crafted link. The vulnerability has a CVSS 3.1 base score of 6.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N), reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and low impact on confidentiality and integrity with no impact on availability.
Potential Impact
Successful exploitation can lead to execution of arbitrary scripts in the context of the victim's browser, potentially allowing theft of user data, session hijacking, or other malicious actions limited to the user's session. The impact is limited to confidentiality and integrity with no direct availability impact. No known active exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution with links related to the BlockMeister plugin and consider disabling or removing the plugin if possible. Monitor vendor channels for updates and apply patches promptly once released.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2024-10-07T22:38:41.045Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 699f6b54b7ef31ef0b55241f
Added to database: 2/25/2026, 9:36:20 PM
Last enriched: 4/9/2026, 3:33:54 PM
Last updated: 4/12/2026, 1:41:35 PM
Views: 13
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