CVE-2026-24591 is a medium-severity vulnerability classified as an improper neutralization of input during web page generation, specifically allowing stored Cross-site Scripting (XSS) in the yasir129 Turn Yoast SEO FAQ Block to Accordion plugin. This vulnerability affects versions from n/a through 1.0.6 and poses a risk to organizations using this plugin, enabling attackers to execute arbitrary scripts in the context of a user's browser.
With a CVSS score of 6.5, the vulnerability is categorized as medium severity, indicating a potential risk that organizations should take seriously. The attack vector is network-based, and the attack complexity is low, making it easier for attackers to exploit this vulnerability. The user interaction required adds another layer of risk, as it necessitates that users engage with the compromised web page.
Organizations should prioritize remediation due to the potential for an attacker to leverage this vulnerability to gain unauthorized access to sensitive information or perform actions on behalf of the user. Given its implications, it is essential for defenders to be proactive in assessing and patching systems affected by this vulnerability.
As of now, there is no public exploit confirmed for this vulnerability, but organizations are advised to monitor their systems closely for any signs of exploitation. The urgency for patching should be classified as medium, and organizations should include this in their priority patch cycle.
The vulnerability was first published on January 23, 2026, and has been assigned the CWE ID CWE-79, which corresponds to improper neutralization of input during web page generation. As such, it is crucial for organizations to review their web applications and ensure that proper input validation and output encoding measures are in place.
The vulnerability has been deferred in status, which indicates that while the issue exists, it may not be actively exploited at this time. However, organizations should remain vigilant and take steps to mitigate potential risks.
In summary, CVE-2026-24591 presents a serious risk to organizations using the Turn Yoast SEO FAQ Block to Accordion plugin, and it is imperative that they prioritize remediation efforts.
Vulnerability Details
The CVE-2026-24591 vulnerability allows for stored XSS due to improper neutralization of user input. The affected versions are all prior to 1.0.6 of the Turn Yoast SEO FAQ Block to Accordion plugin. Organizations should ensure they are running the latest version to mitigate this risk.
Technical Analysis
The root cause of this vulnerability lies in the plugin's failure to properly validate or sanitize user inputs that are rendered on the web page. This oversight allows attackers to inject malicious scripts that can be executed in the user's browser session.
The attack vector for this vulnerability is network-based, meaning that an attacker could exploit the vulnerability remotely. The attack complexity is low, requiring minimal effort from the attacker, while privileges required are also low, allowing even non-privileged users to exploit this vulnerability given they can interact with the affected web page.
User interaction is required, as the victim must visit the page with the stored XSS payload for the attack to succeed. The impacts on confidentiality, integrity, and availability are all rated as low, which means while the exploit may not cause a complete system compromise, it can lead to unauthorized data access or manipulation.
Risk & Impact Analysis
The real-world deployment risk of CVE-2026-24591 primarily revolves around the potential for attackers to execute malicious scripts in the context of a user's session. This could lead to unauthorized access to sensitive user data or the ability to perform actions on behalf of users without their consent.
Organizations should be aware that such vulnerabilities can serve as entry points for more severe attacks, potentially impacting not just individual users but also the broader organization. The urgency for addressing this vulnerability is classified as medium, and it should be included in the priority patch cycle to ensure that systems are secured against potential exploitation.
The blast radius of this vulnerability is contingent on the number of users interacting with the affected plugin. If exploited, attackers could compromise a significant number of user sessions, leading to widespread risks and potential data breaches.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions of the yasir129 Turn Yoast SEO FAQ Block to Accordion plugin are all versions up to and including 1.0.6. Organizations using this plugin should ensure they upgrade to a patched version to mitigate this vulnerability.
Mitigation & Remediation
Organizations should prioritize patching the yasir129 Turn Yoast SEO FAQ Block to Accordion plugin to the latest version available. If a patch is not available, consider implementing input validation and output encoding measures to mitigate the risk of stored XSS. Additionally, employing web application firewalls (WAFs) can help filter out malicious requests.
For more comprehensive security testing, organizations can utilize penetration testing services to identify similar vulnerabilities and strengthen their security posture.
Detection Guidance
To detect potential exploitation of CVE-2026-24591, organizations should monitor their logs for unusual behavior, especially script executions on user input. Behavioral anomalies in user sessions should also raise flags for potential XSS attacks.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-24591 highlights the ongoing risk associated with improper input handling in web applications. It serves as a reminder for security teams to regularly review their code for potential vulnerabilities and implement rigorous input validation practices.
Organizations can learn from this vulnerability by establishing a robust vulnerability management program to proactively identify and remediate vulnerabilities.
Additionally, implementing continuous security testing strategies can help organizations stay ahead of potential threats and foster a culture of security awareness among development teams.
For further insights into effective security strategies, organizations can explore resources on API security testing and the importance of secure coding practices.
Ultimately, understanding vulnerabilities like CVE-2026-24591 will empower organizations to mitigate risks effectively and enhance their overall security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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