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TI-2025-31617 Aliases CVE-2025-49618GHSA-3q75-rp5f-jff5

In Plesk Obsidian 18.0.69, unauthenticated requests to /login_up.php can reveal an AWS…

Priority LOW 32CWE-402Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

In Plesk Obsidian 18.0.69, unauthenticated requests to /login_up.php can reveal an AWS accessKeyId, secretAccessKey, region, and endpoint.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00405 34th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
PleskObsidian18.0.69—No fix listedCNA
  • Obsidian VendorPlesk Affected 18.0.69 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-49618
  2. 2026-10-03 Alias added: GHSA-3q75-rp5f-jff5

References

  • TI-2021-20370 Plesk 18.0.37 is affected by a Cross Site Request Forgery (CSRF) vulnerability that… CVSS 3.1MEDIUM 6.5
  • TI-2023-09824 A Host Header Injection issue on the Login page of Plesk Obsidian through 18.0.49 allows… CVSS 3.1MEDIUM 6.1
  • TI-2025-40863 Plesk 18.0 has Incorrect Access Control. CVSS 3.1CRITICAL 9.1
  • TI-2021-20371 Plesk CMS 18.0.37 is affected by an insecure permissions vulnerability that allows… CVSS 3.1HIGH 8.8
  • TI-2023-00785 Cross-Site Scripting (XSS) vulnerability in Plesk CVSS 3.1CRITICAL 9.0
  • TI-2025-40864 WebPros Plesk before 18.0.73.5 and 18.0.74 before 18.0.74.2 on Linux allows remote… CVSS 3.1HIGH 7.8
See all 13 →

Sources