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Medium

Cross-site Scripting (XSS) in Admin Login too many attempts notice

  • Disclosed: 27.04.2023
  • Updated: 11.10.2026 10:22

Impact

Malicious JavaScript has access to all the same objects as the rest of the web page, including access to cookies and local storage, which are often used to store session tokens. If an attacker can obtain a user's session cookie, they can then impersonate that user.

Furthermore, JavaScript can read and make arbitrary modifications to the contents of a page being displayed to a user. Therefore, XSS in conjunction with some clever social engineering opens up a lot of possibilities for an attacker.

Patches

Update to version 10.5.21 or apply this patch manually https://github.com/pimcore/pimcore/commit/66f1089fb1b9bcd575bfce9b1d4abb0f0499df11.patch

Workarounds

Apply patch https://github.com/pimcore/pimcore/commit/66f1089fb1b9bcd575bfce9b1d4abb0f0499df11.patch manually.

References

https://huntr.dev/bounties/cf3901ac-a649-478f-ab08-094ef759c11d/

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package pimcore/pimcore < 10.5.21 10.5.21

References

CVSS score 6.1/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-79
Platform
Composer
Package
pimcore/pimcore
Disclosed
27.04.2023
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-fq95-rx4q-qgg2 - CC BY 4.0

Vulnerability history: pimcore/pimcore

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 (135) in the archive
Total entries
135
First → latest
12.2019 09.2026
Without a fix
3
Exploited in attacks
0

Severity breakdown

  • Critical 5
  • High 40
  • Medium 90

Disclosures per year

Severity:
  1. Cross-site Scripting (XSS) in Admin Login too many attempts notice this entry
    Medium · 6.1 CVE-2023-2341 < 10.5.21 10.5.21
  2. Pimcore: SQL Injection in Custom Reports via Malicious Report Configuration
    High · 8.8 CVE-2026-55416 >= 2026.1.0, < 2026.1.6, >= 12.0.0-RC1, < 12.3.10, < 11.5.19 2026.1.6, 12.3.10, 11.5.19
  3. Pimcore Vulnerable to Remote Code Execution via DataObject Class-Definition Field Name
    Critical · 9.9 CVE-2026-55634 < 12.3.10, >= 2026.1.0, < 2026.1.6 12.3.10, 2026.1.6
  4. Pimcore Hotspotimage getDataFromResource() unrestricted Serialize::unserialize over object-store column (PHP Object Injection, CWE-502)
    Critical CVE-2026-55220 >= 2026.1.0, < 2026.1.6, < 12.3.10 2026.1.6, 12.3.10
  5. Pimcore: ClassDefinition UID regex missing end anchor allows SQL injection via Block.php unquoted table name
    High · 8.5 CVE-2026-55072 >= 2026.1.0, < 2026.1.5, < 12.3.9 2026.1.5, 12.3.9
  6. Pimcore CMS Twig Sandbox Bypass via SecurityPolicy checkMethodAllowed
    High · 7.2 CVE-2026-11407 >= 12.0.0-RC1, <= 12.3.8, <= 11.5.14.1 no fix
  7. Pimcore Platform - SQL Injection in DataObject composite index handling during class definition import/save
    High CVE-2026-5394 >= 12.0.0-RC1, < 12.3.7, < 11.5.17, >= 2026.1.0, < 2026.1.3 12.3.7, 11.5.17, 2026.1.3
  8. Pimcore has a CustomReports Share Bypass
    High CVE-2026-45704 >= 12.0.0-RC1, < 12.3.6, < 11.5.17, >= 2026.1.0, < 2026.1.2 12.3.6, 11.5.17, 2026.1.2
  9. Pimcore: Missing Authorization in WebDAV MOVE via unchecked asset move handling
    High · 8.1 CVE-2026-45260 >= 12.0.0-RC1, < 12.3.7, >= 2026.1.0, < 2026.1.3, < 11.5.17 12.3.7, 2026.1.3, 11.5.17
  10. Pimcore has Unsafe PHP Deserialization in Multiple Locations Without allowed_classes Restriction
    High · 8.0 CVE-2026-45162 >= 12.0.0-RC1, < 12.3.7, < 11.5.17, >= 2026.1.0, < 2026.1.3 12.3.7, 11.5.17, 2026.1.3
  11. Pimcore Vulnerable to SQL Injection in Custom Reports Column Configuration
    High · 8.7 CVE-2026-44739 >= 2026.1.0, < 2026.1.2, < 11.5.17, >= 12.0.0-RC1, < 12.3.6 2026.1.2, 11.5.17, 12.3.6
  12. Pimcore ENV Variables and Cookie Informations are exposed in http_error_log
    High · 8.6 CVE-2026-23493 >= 12.0.0-RC1, < 12.3.1, < 11.5.14 12.3.1, 11.5.14
  13. Pimcore Has an Incomplete Patch for CVE-2023-30848
    High · 8.8 CVE-2026-23492 >= 12.0.0-RC1, < 12.3.1, < 11.5.14 12.3.1, 11.5.14
  14. Pimcore Authenticated Stored Cross-Site Scripting (XSS) Via Search Document
    High · 8.1 CVE-2024-11954 >= 11.4.2, < 11.5.3 11.5.3
  15. Pimcore includes vulnerable PHPOffice/PhpSpreadsheet
    High · 8.8 ghsa-hq76-662x-7mw4 >= 10.6.9.0, < 10.6.9.12, >= 11.1.0.0, < 11.1.6.11 10.6.9.12, 11.1.6.11
  16. Flooding Server with Thumbnail files
    High · 7.5 CVE-2024-32871 >= 11.0.0, < 11.2.4 11.2.4
  17. Pimcore SQL Injection in Admin Grid Filter API through Multiselect::getFilterConditionExt()
    High · 8.8 CVE-2023-47637 < 11.1.1 11.1.1
  18. Pimcore vulnerable to Exposure of Sensitive Information to an Unauthorized Actor
    High · 7.6 CVE-2023-3819 < 10.6.4 10.6.4
  19. Pimcore vulnerable to SQL Injection in Dataobjects sorting
    High · 7.2 CVE-2023-3820 < 10.6.4 10.6.4
  20. Pimcore SQL Injection vulnerability
    High · 7.2 CVE-2023-3673 < 10.5.24 10.5.24
  21. SQL Injection in AssetController
    High · 8.8 CVE-2023-2338 < 10.5.21 10.5.21
Show more (20) Showing 21 of 46

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