CVE-2024-8792: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in markjaquith Subscribe to Comments
The Subscribe to Comments 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, 2.3. 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-2024-8792 is a reflected XSS vulnerability in the Subscribe to Comments plugin for WordPress, affecting all versions up to and including 2.3. The issue stems from the use of add_query_arg without proper escaping of URL parameters, enabling injection of arbitrary web scripts. An unauthenticated attacker can exploit this by convincing a user to click a malicious link, causing script execution in the context of the vulnerable site. The vulnerability is classified under CWE-79 and 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).
Potential Impact
Successful exploitation allows an attacker to execute arbitrary scripts in the victim's browser, potentially leading to information disclosure and limited integrity impact within the affected site context. There is no direct impact on availability. The vulnerability requires user interaction (clicking a crafted link) and no privileges are needed by the attacker.
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 Subscribe to Comments plugin and consider disabling or replacing the plugin if feasible. Monitor for updates from the plugin author or WordPress security advisories.
CVE-2024-8792: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in markjaquith Subscribe to Comments
Description
The Subscribe to Comments 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, 2.3. 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-2024-8792 is a reflected XSS vulnerability in the Subscribe to Comments plugin for WordPress, affecting all versions up to and including 2.3. The issue stems from the use of add_query_arg without proper escaping of URL parameters, enabling injection of arbitrary web scripts. An unauthenticated attacker can exploit this by convincing a user to click a malicious link, causing script execution in the context of the vulnerable site. The vulnerability is classified under CWE-79 and 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).
Potential Impact
Successful exploitation allows an attacker to execute arbitrary scripts in the victim's browser, potentially leading to information disclosure and limited integrity impact within the affected site context. There is no direct impact on availability. The vulnerability requires user interaction (clicking a crafted link) and no privileges are needed by the attacker.
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 Subscribe to Comments plugin and consider disabling or replacing the plugin if feasible. Monitor for updates from the plugin author or WordPress security advisories.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2024-09-13T16:25:46.664Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 699f6b32b7ef31ef0b54f33f
Added to database: 2/25/2026, 9:35:46 PM
Last enriched: 4/9/2026, 8:32:05 AM
Last updated: 4/12/2026, 3:02:00 PM
Views: 12
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