CVE-2025-22819 is identified as an improper neutralization of input during web page generation, leading to a Cross-site Scripting (XSS) vulnerability in the Qr Code and Barcode Scanner Reader plugin developed by Roberto Bottalico. This vulnerability allows stored XSS, which can be exploited to execute arbitrary scripts in the context of users accessing affected pages. The issue affects all versions of the plugin prior to version 1.0.0.
With a CVSS score of 6.5, the severity of this vulnerability is classified as medium. The attack vector is network-based, requiring low complexity and low privileges. User interaction is necessary for exploitation, thus posing a moderate risk to organizations utilizing this plugin.
Risk to organizations includes potential unauthorized access to sensitive information, as attackers may leverage this vulnerability to inject malicious scripts, which could lead to data theft or further exploitation of the application. Organizations should prioritize patching immediately.
As of now, there is no confirmed public exploit for this vulnerability, and it is not listed in the Known Exploited Vulnerabilities (KEV) catalog. However, the absence of known exploits does not diminish the importance of addressing this vulnerability proactively.
Organizations should assess their usage of the Qr Code and Barcode Scanner Reader plugin and implement necessary updates if they are running affected versions.
Vulnerability Details
The vulnerability CVE-2025-22819 allows for improper neutralization of user input during the generation of web pages, specifically enabling stored XSS. The impact of this vulnerability can lead to significant security risks, especially if exploited in a wide-reaching context.
The CVSS 3.1 vector string for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L, reflecting a medium severity with low attack complexity and low required privileges. The confidentiality, integrity, and availability impacts are all rated as low, indicating that while the vulnerability may not lead to catastrophic failures, it still poses a noteworthy risk.
The Qr Code and Barcode Scanner Reader plugin is affected from n/a through version 1.0.0. Organizations operating versions in this range must take immediate action to remediate the identified vulnerability.
Technical Analysis
The root cause of this vulnerability lies in the improper handling of inputs within the Qr Code and Barcode Scanner Reader plugin. Specifically, the application fails to adequately sanitize or validate user inputs, allowing malicious users to inject scripts that are then stored and executed when other users access the affected functionalities.
The attack vector is classified as network-based, meaning that an attacker can exploit this vulnerability remotely, provided they can persuade users to interact with the malicious input. The attack complexity is low; thus, the barrier for exploitation is minimal, particularly in a public-facing application.
Exploitation requires low privileges as the attacker does not need special permissions to execute the attack. However, user interaction is necessary, meaning that users must engage with the malicious content for the attack to be successful.
From a security impact perspective, confidentiality, integrity, and availability are all rated as low, indicating that while the risks are present, the immediate catastrophic effects may be limited. However, the potential for data exfiltration and unauthorized actions still exists and must not be overlooked.
Risk & Impact Analysis
The Qr Code and Barcode Scanner Reader plugin vulnerability poses a moderate risk to organizations, particularly those operating in environments where user interaction is frequent. The potential for stored XSS could allow attackers to execute scripts in the context of users, which could lead to unauthorized access to sensitive data or even further compromise of the application.
Given the CVSS score of 6.5, this vulnerability should be prioritized in the patching cycle. Organizations should consider the potential blast radius of a successful attack, particularly if the application is widely used or integrated with other systems.
Organizations should address this vulnerability in their priority patch cycle to mitigate risks associated with stored XSS. The urgency for patching is heightened by the nature of the vulnerability, as attackers may leverage this weakness to gain unauthorized access to sensitive data.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
This vulnerability affects the Qr Code and Barcode Scanner Reader plugin for all versions prior to 1.0.0. Organizations using versions in this range should take immediate action to remediate the vulnerability.
Mitigation & Remediation
Organizations should prioritize patching the Qr Code and Barcode Scanner Reader plugin to version 1.0.1 or later to resolve this vulnerability. If immediate patching is not feasible, organizations can implement workarounds, such as disabling the plugin until a patch is applied.
Additionally, organizations should consider enhancing their web application security posture through application security assessments and implementing web application firewalls (WAF) to filter out malicious input.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor logs for unusual activity, specifically looking for injection patterns that may indicate XSS attempts. Behavioral anomalies, such as unexpected scripts executing in user sessions, should also be investigated.
Network signatures that identify known XSS payloads can be implemented to enhance detection capabilities. Regular system audits and monitoring for changes in application behavior are also recommended.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-22819 lies in its representation of common flaws in web applications related to input validation and output encoding. Ensuring robust input handling mechanisms can significantly mitigate XSS vulnerabilities.
Security teams should learn from this incident and adopt a proactive approach to vulnerability management by integrating security practices throughout the development lifecycle. Implementing secure coding standards and regularly training developers on XSS prevention techniques are crucial.
For further insights into application security practices, organizations can refer to the following resources: application security assessments, vulnerability management programs, and penetration testing methodologies that help in identifying and mitigating risks effectively.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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