Read the docs
TI-2023-20482 Aliases CVE-2023-39343GHSA-wmwf-49vv-p3mr

Sulu Observable Response Discrepancy on Admin Login

Priority LOW 21CWE-204Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-204.

Summary

Sulu is an open-source PHP content management system based on the Symfony framework. It allows over the Admin Login form to detect which user (username, email) exists and which one do not exist. Sulu Installation not using the old Symfony 5.4 security System and previous version are not impacted by this Security issue. The vulnerability has been patched in version 2.5.10.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00622 50th percentileScored 2026-11-07
Fix Fixed sulu (sulu): 2.5.10sulu/sulu (Packagist): 2.5.10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
sulusulu2.5.0 to before 2.5.102.5.10Patch availableCNA
—sulu/sulu (Packagist)2.5.0 to before 2.5.102.5.10Patch availableGHSA-wmwf-49vv-p3mr
  • sulu Vendorsulu Affected 2.5.0 to before 2.5.10 Fixed in 2.5.10 Patch available CNA
  • sulu/sulu (Packagist) Vendor— Affected 2.5.0 to before 2.5.10 Fixed in 2.5.10 Patch available GHSA-wmwf-49vv-p3mr

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sulu:sulu:*:*:*:*:*:*:*:*2.5.0 to before 2.5.10Vulnerablesulu
  • cpe:2.3:a:sulu:sulu:*:*:*:*:*:*:*:* Versions 2.5.0 to before 2.5.10 Vulnerable ·sulu

Remediation

  • Fix · CNA sulu (sulu) Fixed in 2.5.10
  • Fix · GHSA-wmwf-49vv-p3mr sulu/sulu (Packagist) Fixed in 2.5.10 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39343
  2. 2026-10-03 Alias added: GHSA-wmwf-49vv-p3mr
  3. 2026-11-06 EPSS moved to the 50th–90th percentile

References

  • TI-2021-19642 PHP file inclusion in the Sulu admin panel CVSS 3.1HIGH 8.8
  • TI-2024-18520 Sulu grants access to pages regardless of role permissions CVSS 3.1HIGH 8.1
  • TI-2021-12405 XSS Injection in Media Collection Title was possible CVSS 3.1HIGH 8.4
  • TI-2021-19641 Privilege escalation in the Sulu Admin panel CVSS 3.1HIGH 7.2
  • TI-2021-18008 Improper Neutralization HTML tags in sulu/sulu CVSS 3.1MEDIUM 6.2
  • TI-2024-31897 Reflected XSS Vulnerability in Sulu Media Bundle CVSS 3.1MEDIUM 6.1
See all 10 →

Sources