CVE-2026-4509

PbootCMS File Upload file.php incomplete blacklist

Assigner: VulDB
Reserved: 20.03.2026 Published: 21.03.2026 Updated: 21.03.2026

A security flaw has been discovered in PbootCMS up to 3.2.12. This affects an unknown function of the file core/function/file.php of the component File Upload. The manipulation of the argument black results in incomplete blacklist. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CVSS Score: 6.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CVSS Score: 6.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CVSS Score: 6.5

Access Vector	Network	Confidentiality Impact	Partial
Access Complexity	Low	Integrity Impact	Partial
Authentication	Single	Availability Impact	Partial

CVSS 2.0

Product Status

Vendor	n/a
Product	PbootCMS
Versions	Version 3.2.0 is affected Version 3.2.1 is affected Version 3.2.2 is affected Version 3.2.3 is affected Version 3.2.4 is affected Version 3.2.5 is affected Version 3.2.6 is affected Version 3.2.7 is affected Version 3.2.8 is affected Version 3.2.9 is affected Version 3.2.10 is affected Version 3.2.11 is affected Version 3.2.12 is affected

Vendor

n/a

Product

PbootCMS

Versions

Version 3.2.0 is affected
Version 3.2.1 is affected
Version 3.2.2 is affected
Version 3.2.3 is affected
Version 3.2.4 is affected
Version 3.2.5 is affected
Version 3.2.6 is affected
Version 3.2.7 is affected
Version 3.2.8 is affected
Version 3.2.9 is affected
Version 3.2.10 is affected
Version 3.2.11 is affected
Version 3.2.12 is affected

Credits

zmjjkk (VulDB User) reporter

References

Problem Types