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Medium

XSS vulnerability when listing users on add & modify server pages.

  • Disclosed: 08.10.2020
  • Updated: 11.10.2026 10:22

Impact

An XSS vulnerability exists in versions of Pterodactyl Panel before 0.7.19. Affected versions do not properly sanitize account names before rendering them to the dropdown selector in the admin area when creating or modifying a server.

Patches

This XSS has been addressed in 0.7.19 and will be rolled forwards into the 1.0-rc.7 release.

Workarounds

No workaround exists without manual patching. See https://github.com/pterodactyl/panel/pull/2441/files for the files changed.

For more information

If you have any questions or comments about this advisory please reach out on Discord, or by emailing dane at pterodactyl dot io.

Thank you to Sergej for the responsible disclosure of this issue.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package pterodactyl/panel < 0.7.19, >= 1.0.0-rc.0, < 1.0.0-rc.7 0.7.19, 1.0.0-rc.7

References

CVSS score -
Weakness (CWE)
CWE-79
Platform
Composer
Package
pterodactyl/panel
Disclosed
08.10.2020
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-5822-pw57-vv37 - CC BY 4.0

Vulnerability history: pterodactyl/panel

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (19) in the archive
Total entries
19
First → latest
10.2020 07.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 2
  • High 6
  • Medium 8
  • Low 3

Disclosures per year

Severity:
  1. Pterodactyl's improper JWT scoping allows subuser to upload files when not explicitly granted `file.create` permissions
    High · 8.1 CVE-2026-54593 < 1.12.3 1.12.3
  2. Pterodactyl's shared global rate-limit key on login and 2FA checkpoint enables unauthenticated panel-wide authentication lockout (DoS)
    High · 7.5 CVE-2026-61609 >= 1.7.0, < 1.13.0 1.13.0
  3. Pterodactyl Panel Allows Cross-Node Server Configuration Disclosure via Remote API Missing Authorization
    Critical CVE-2026-26016 < 1.12.1 1.12.1
  4. Pterodactyl Panel's SFTP sessions remain active after user account deletion or password change
    High ghsa-hr7j-63v7-vj7g < 1.12.1 1.12.1
  5. Pterodactyl does not revoke SFTP access when server is deleted or permissions reduced
    High CVE-2025-68954 < 1.12.0 1.12.0
  6. Pterodactyl Panel Allows Unauthenticated Arbitrary Remote Code Execution
    Critical · 10.0 CVE-2025-49132 < 1.11.11 1.11.11
  7. Pterodactyl vulnerable to 2FA Sniffing
    High · 7.5 CVE-2019-1020002 < 0.7.14 0.7.14
  8. Pterodactyl Panel vulnerable to authentication bypass due to improper user-provided security token verification
    High · 8.1 CVE-2021-41129 >= 1.0.0, < 1.6.2 1.6.2
  9. XSS vulnerability when listing users on add & modify server pages. this entry
    Medium ghsa-5822-pw57-vv37 < 0.7.19, >= 1.0.0-rc.0, < 1.0.0-rc.7 0.7.19, 1.0.0-rc.7

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