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Openpsa contains a XML Injection vulnerability in RSS file upload feature that can result…

Priority LOW 37CWE-91Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

Openpsa contains a XML Injection vulnerability in RSS file upload feature that can result in Remote denial of service. This attack appear to be exploitable via Specially crafted XML file. This vulnerability appears to have been fixed in after commit 4974a26.

Why it matters now

EPSS 0.02022 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openpsa2:openpsa:-:*:*:*:*:*:*:*not specified by NVDVulnerableOpenpsa2
  • cpe:2.3:a:openpsa2:openpsa:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Openpsa2

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000526
  2. 2026-10-03 Alias added: GHSA-w53c-vmpf-rrj7

References

  • TI-2018-15924 openpsa contains a PHP Object Injection vulnerability in Form data passed as GET request… CVSS 3.0CRITICAL 9.8

Sources