CVE-2025-22927CRITICAL 9.1EPSS p50.3%

CVE-2025-22927CVE-2025-22927

Description

An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal by sending a crafted POST request to /Modules.php?modname=messaging/Inbox.php&modfunc=save&filename.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS0.76% probability of exploitation · percentile 50.3% · 2026-06-19T12:03:05Z
Published2025-04-03
Last modified2025-07-17

Underlying weaknesses· 1

CWE-22

References

  1. https://github.com/OS4ED/openSIS-Classic
  2. https://github.com/esusalla/vulnerability-research/tree/main/CVE-2025-22927

1

TypeTargetConfidenceTier
WeaknessImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal')cwe-220%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.