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TI-2023-03155 Aliases CVE-2023-3374GHSA-67f9-wf2w-q22m

Privilege Escalation in Bookreen

Priority MEDIUM 50CWE-184Published · Updated

Key facts

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

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

Summary

Incomplete List of Disallowed Inputs vulnerability in Unisign Bookreen allows Privilege Escalation. This issue affects Bookreen: before 3.0.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00692 53rd percentileScored 2026-11-07
Fix Fixed Bookreen (Unisign): 3.0.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
UnisignBookreenbefore 3.0.03.0.0Patch availableCNA
  • Bookreen VendorUnisign Affected before 3.0.0 Fixed in 3.0.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:bookreen:bookreen:*:*:*:*:*:*:*:*before 3.0.0VulnerableBookreen
  • cpe:2.3:a:bookreen:bookreen:*:*:*:*:*:*:*:* Versions before 3.0.0 Vulnerable ·Bookreen

Remediation

  • Fix · CNA Bookreen (Unisign) Fixed in 3.0.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Unisign Bookreen 3.0.0

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2023-03156 Unrestricted File Upload in BookreenPriority LOW 36

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3374
  2. 2026-10-03 Alias added: GHSA-67f9-wf2w-q22m

References

  • TI-2023-03156 Unrestricted File Upload in Bookreen CVSS 3.1HIGH 7.2

Sources