CVE-2026-24629 describes an improper neutralization of input during web page generation, specifically a Cross-site Scripting (XSS) vulnerability in the Ability, Inc Web Accessibility with Max Access accessibility-toolbar. This vulnerability allows for stored XSS attacks, where malicious scripts can be injected and stored on the server, subsequently affecting users who access the compromised page. The severity of this vulnerability is classified as medium, with a CVSS score of 5.9.
The vulnerability affects all versions of the Web Accessibility with Max Access accessibility-toolbar up to version 2.1.0. Organizations utilizing this product should be particularly vigilant, as the exploitation of this vulnerability could lead to unauthorized actions performed on behalf of users. The risk to organizations includes potential data exposure and manipulation, which can have serious implications for user trust and compliance.
Currently, there is no confirmed public exploit available for this vulnerability. However, given the nature of XSS vulnerabilities, the potential for exploitation remains. Organizations should prioritize patching this vulnerability immediately to mitigate risks associated with stored XSS attacks.
The vulnerability was published on January 23, 2026, and the status is currently deferred. It is critical for organizations to monitor for updates and apply necessary patches as soon as they are available.
Organizations should also consider implementing additional security measures such as web application firewalls and content security policies to further protect against XSS vulnerabilities.
To stay informed on vulnerabilities like CVE-2026-24629, security teams are encouraged to engage in continuous monitoring and subscribe to relevant security advisories.
Vulnerability Details
The CVE-2026-24629 vulnerability is characterized by improper neutralization of input during web page generation, leading to a stored XSS vulnerability in the Ability, Inc Web Accessibility with Max Access accessibility-toolbar. This vulnerability affects versions of the product from n/a through version 2.1.0.
The CVSS score of 5.9 indicates a medium severity, with the following characteristics:
Metric | Value |
|---|---|
CVSS Score | 5.9 |
Attack Vector | Network |
Attack Complexity | Low |
Privileges Required | High |
User Interaction | Required |
Confidentiality Impact | Low |
Integrity Impact | Low |
Availability Impact | Low |
Technical Analysis
The root cause of CVE-2026-24629 is the improper handling of user input within the web application, leading to the potential for malicious scripts to be executed in the user's browser. The attack vector for this vulnerability is network-based, requiring an attacker to exploit the vulnerability remotely.
With a low attack complexity, this vulnerability can be exploited by an attacker with high privileges, requiring user interaction to trigger the XSS. The impacts on confidentiality, integrity, and availability are low, meaning that the exploitation may not lead to severe consequences, but it can still affect the user experience.
Risk & Impact Analysis
Risk to organizations includes potential exposure of sensitive user data, loss of integrity, and degradation of user trust. The exploitation of CVE-2026-24629 could lead to unauthorized actions being performed on behalf of users, which can have a profound impact on an organization's reputation and customer confidence.
It is important for organizations to assess the blast radius of this vulnerability. Given that it affects a web accessibility tool, the potential reach could be extensive, affecting all users who interact with the compromised application. Organizations should evaluate their exposure to this vulnerability and prioritize remediation based on their risk assessment.
The urgency for addressing this vulnerability is medium due to its CVSS score of 5.9. Organizations should schedule remediation as part of their patch management cycle.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects all versions of the Ability, Inc Web Accessibility with Max Access accessibility-toolbar from n/a through version 2.1.0. Organizations must ensure they are running a version that has been patched to mitigate this vulnerability.
Mitigation & Remediation
Organizations should prioritize patching to the latest version of the Ability, Inc Web Accessibility with Max Access accessibility-toolbar that addresses CVE-2026-24629. If a patch is unavailable, organizations may consider implementing workarounds such as input validation and sanitization on the server side to prevent XSS attacks.
In addition, configuration hardening should be performed to limit the exposure of web applications, including implementing web application firewalls and content security policies. Monitoring for unusual behavior and potential indicators of compromise can also help in early detection of exploitation attempts.
For additional resources on security measures, organizations can refer to the comprehensive guide on application security assessments.
Detection Guidance
Organizations should monitor for log indicators that may suggest exploitation attempts of this vulnerability. Key behavioral anomalies to look for include unexpected script execution, unusual request patterns, or unauthorized access attempts. Network signatures may also be developed to detect malicious payloads associated with XSS attacks.
System changes that occur post-application updates should be monitored closely, especially if any changes involve user input handling or output generation.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-24629 highlights the ongoing challenges organizations face in securing web applications against XSS vulnerabilities. As attackers continue to exploit such weaknesses, the importance of implementing robust security practices cannot be overstated.
This vulnerability represents a common trend in web security, where user input is not properly sanitized, leading to potential exploitation. Security teams must learn from this incident to strengthen their defenses against similar vulnerabilities.
Organizations should take strategic defensive actions, such as adopting a proactive security posture and regularly updating their security frameworks. For further reading on security best practices, organizations can explore the best practices for security testing and the design of a vulnerability management program to ensure ongoing security.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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