CVE-2025-62362 Vulnerability Analysis & Exploit Details

CVE-2025-62362 Vulnerability Summary

CVE-2025-62362: gpp-burgerportaal is a Dutch government citizen portal application. In versions before 2.0.3, 3.0.2, and 4.0.1, the name and email address of employees who publish content are exposed in network responses and can be discovered by viewing the browser's developer tools network tab. This information disclosure may violate employee privacy expectations and could be used for targeted attacks or unwanted contact. This issue has been patched in versions 2.0.3, 3.0.2, and 4.0.1. No known workarounds exist.

CVE-2025-62362 References

External References

• https://github.com/GPP-Woo/GPP-burgerportaal/security/advisories/GHSA-pgg6-2865-2788

CWE Common Weakness Enumeration

CAPEC Common Attack Pattern Enumeration and Classification

• Evercookie CAPEC-464 An attacker creates a very persistent cookie that stays present even after the user thinks it has been removed. The cookie is stored on the victim's machine in over ten places. When the victim clears the cookie cache via traditional means inside the browser, that operation removes the cookie from certain places but not others. The malicious code then replicates the cookie from all of the places where it was not deleted to all of the possible storage locations once again. So the victim again has the cookie in all of the original storage locations. In other words, failure to delete the cookie in even one location will result in the cookie's resurrection everywhere. The evercookie will also persist across different browsers because certain stores (e.g., Local Shared Objects) are shared between different browsers.
• Cross Site Identification CAPEC-467 An attacker harvests identifying information about a victim via an active session that the victim's browser has with a social networking site. A victim may have the social networking site open in one tab or perhaps is simply using the "remember me" feature to keep their session with the social networking site active. An attacker induces a payload to execute in the victim's browser that transparently to the victim initiates a request to the social networking site (e.g., via available social network site APIs) to retrieve identifying information about a victim. While some of this information may be public, the attacker is able to harvest this information in context and may use it for further attacks on the user (e.g., spear phishing).
• Probe iOS Screenshots CAPEC-498 An adversary examines screenshot images created by iOS in an attempt to obtain sensitive information. This attack targets temporary screenshots created by the underlying OS while the application remains open in the background.
• Shoulder Surfing CAPEC-508 In a shoulder surfing attack, an adversary observes an unaware individual's keystrokes, screen content, or conversations with the goal of obtaining sensitive information. One motive for this attack is to obtain sensitive information about the target for financial, personal, political, or other gains. From an insider threat perspective, an additional motive could be to obtain system/application credentials or cryptographic keys. Shoulder surfing attacks are accomplished by observing the content "over the victim's shoulder", as implied by the name of this attack.

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