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TI-2022-26710 Aliases CVE-2022-51022GHSA-g786-pwww-f3jp

Path traversal in YiShaAdmin lets attackers read and delete files

Priority HIGH 77CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

YiShaAdmin from 2.2 through 3.1 contains a path traversal flaw (CWE-22) because a file download endpoint does not restrict the paths it accepts. An unauthenticated remote attacker can send crafted GET requests to read and delete arbitrary files on the server. A public exploit is linked in the references, and the Shadowserver Foundation first observed exploitation on 2023-10-20.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

YiShaAdmin 2.2 through 3.1, fixed in commit 025b062, contains an unauthenticated path traversal vulnerability in the /admin/File/DownloadFile endpoint that allows attackers to read and delete arbitrary files via the filePath parameter. Attackers can send crafted GET requests with directory traversal sequences in filePath and set the delete parameter to read or remove system files like etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00794 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
liukuo362573YiShaAdmin2.2 – 3.1—Patch availableCNA
  • YiShaAdmin Vendorliukuo362573 Affected 2.2 – 3.1 Fixed in — Patch available CNA

Remediation

Update YiShaAdmin to a release that includes commit 025b062, which fixes this flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Timeline

  1. 2026-10-22 Threatist record created from CVE-2022-51022
  2. 2026-10-22 Alias added: GHSA-g786-pwww-f3jp
  3. 2026-10-23 Priority changed: MEDIUM → LOW
  4. 2026-11-03 CISA SSVC decision points changed
  5. 2026-11-03 Priority changed: LOW → HIGH

References

Exploit 1

Patch 2

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences