CVE-2026-76572

pkp pkp-lib XSLTransformer.php _transformPHP xml external entity reference

Assigner: VulDB
Reserved: 19.08.2026 Published: 19.08.2026 Updated: 19.08.2026

A vulnerability was detected in pkp pkp-lib up to 3.3.0-22/3.4.0-10/3.5.0-4. The affected element is the function _transformPHP of the file classes/xslt/XSLTransformer.php. The manipulation results in xml external entity reference. The attack can be executed remotely. Upgrading to version 3.3.0-23, 3.4.0-11 and 3.5.0-5 is sufficient to fix this issue. The patch is identified as 78c699370ea43ae2784e1c4ace7c947d207f2b47. Upgrading the affected component is advised.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
CVSS Score: 5.1

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	High
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
CVSS Score: 4.7

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

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
CVSS Score: 4.7

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

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:M/C:P/I:P/A:P/E:ND/RL:OF/RC:C
CVSS Score: 5.8

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

CVSS 2.0

Product Status

Vendor	pkp
Product	pkp-lib
Versions	Version 3.3.0-22 is affected Version 3.4.0-10 is affected Version 3.5.0-4 is affected Version 3.3.0-23 is unaffected Version 3.4.0-11 is unaffected Version 3.5.0-5 is unaffected

Vendor

pkp

Product

pkp-lib

Versions

Version 3.3.0-22 is affected
Version 3.4.0-10 is affected
Version 3.5.0-4 is affected
Version 3.3.0-23 is unaffected
Version 3.4.0-11 is unaffected
Version 3.5.0-5 is unaffected

Credits

Razielx64 (VulDB User) reporter

References

Problem Types