CVE-2023-3374
Privilege Escalation in Bookreen
Incomplete List of Disallowed Inputs vulnerability in Unisign Bookreen allows Privilege Escalation.
This issue affects Bookreen: before 3.0.0.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Privilege Escalation in Bookreen
Incomplete List of Disallowed Inputs vulnerability in Unisign Bookreen allows Privilege Escalation.
This issue affects Bookreen: before 3.0.0.
- Record
CVE-2023-3374- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-184
- Updated
- 2026-11-02
EUVDEUVD-2023-44041
Incomplete List of Disallowed Inputs vulnerability in Unisign Bookreen allows Privilege Escalation.
This issue affects Bookreen: before 3.0.0.
- Record
EUVD-2023-44041- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-67f9-wf2w-q22m
Incomplete List of Disallowed Inputs vulnerability in Bookreen allows Privilege Escalation.This...
Incomplete List of Disallowed Inputs vulnerability in Bookreen allows Privilege Escalation.This issue affects Bookreen: before 3.0.0.
- Record
GHSA-67f9-wf2w-q22m- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-184
- Updated
- 2026-11-02
NVD
Incomplete List of Disallowed Inputs vulnerability in Unisign Bookreen allows Privilege Escalation.
This issue affects Bookreen: before 3.0.0.
- Record
CVE-2023-3374- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-184
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-3374 is a critical vulnerability (CVSS 9.8) in Bookreen, published September 5, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 53rd percentile. No source names a fixed version.