NationStates, the government simulation browser game, confirmed unauthorized access to its production server after a vulnerability reporter exceeded authorized access, leading to exposure of user data including email addresses and weakly hashed passwords.

NationStates, the long-running political simulation game, has taken its entire website offline following confirmation that an unauthorized user accessed its production systems and copied sensitive player data. The incident began when a player reported a critical vulnerability but then crossed ethical boundaries by exploiting it to gain full server access.
Game creator Max Barry detailed in an official notice that the breach originated from flaws in the "Dispatch Search" feature introduced last September. "The reporter chained together insufficient sanitization of user-supplied input with a double-parsing bug, resulting in remote code execution," Barry explained. "This is a critical bug, and the first time something like this has been reported in the site's history."
Despite the individual being a recognized contributor with a Bug Hunter badge for previous responsible disclosures, Barry emphasized: "He is not a member of staff and was never granted permission for server entry. While he claimed to have deleted copied data, we've no way to verify this."
Exposed Data Details
Compromised information includes:
- Current and historical email addresses
- Passwords stored using obsolete MD5 hashing (easily crackable with modern hardware)
- Login IP addresses
- Browser user-agent strings
- Partial Telegram (private message) data
Barry noted the particular risk around password security: "MD5 is inadequate by modern standards and provides minimal protection when attackers have offline data copies." While financial data wasn't exposed, the Telegram access raises privacy concerns as these function as internal private messages.
Response and Recovery
NationStates is taking aggressive containment measures:
- Complete server rebuild on new hardware
- Security audit of all systems
- Password storage upgrades to modern standards
- Coordination with government authorities
"Unauthorized server entry means the only way to ensure security is to completely rebuild the environment," Barry stated. The site remains offline during this process, with restoration expected within 3-5 days. Upon return, users can review their exposed data via the Private Information page.
Practical Protection Steps
For affected players:
- Immediately change passwords on NationStates and any other services where you reused credentials
- Assume MD5-hashed passwords are compromised - treat them as plaintext
- Monitor associated email accounts for phishing attempts referencing NationStates
- Enable multi-factor authentication wherever possible on gaming and email accounts
- Review Telegram content once service resumes for sensitive discussions
Cybersecurity experts emphasize this incident highlights the double-edged sword of public vulnerability reporting. "While crowdsourced security testing provides value, boundaries between ethical reporting and intrusion must be clearly maintained," notes Dr. Ilia Kolochenko of ImmuniWeb. "Organizations should implement strict bug bounty program scope definitions and isolated test environments to prevent similar escalations."
NationStates players should remain vigilant for several weeks as attackers may exploit the stolen data. The rebuild process offers an opportunity to modernize the 20-year-old game's security infrastructure, though the immediate priority remains verifying system integrity before reopening.

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