Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-76572— pkp pkp-lib XSLTransformer.php _transformPHP xml external entity reference

Quick assessment

Affected
pkp pkp-lib
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Public Knowledge Project PKP Web Application Library是加拿大Public Knowledge Project组织的一款Web应用开发框架。 Public Knowledge Project PKP Web Application Library 3.3.0-22及之前版本、3.4.0-10及之前版本和3.5.0-4及之前版本存在输入验证错误漏洞，该漏洞源于classes/xslt/XSLTransformer.php文件中的_transformPHP函数

CVSS 4.7 · Medium EPSS 0.45% · P40

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 6

VendorProduct Version RangeStatus
pkp pkp-lib 3.3.0-22 affected
3.4.0-10 affected
3.5.0-4 affected
3.3.0-23 unaffected
3.4.0-11 unaffected
3.5.0-5 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-76572

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
pkp pkp-lib XSLTransformer.php _transformPHP xml external entity reference
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
Public Knowledge Project PKP Web Application Library 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Public Knowledge Project PKP Web Application Library是加拿大Public Knowledge Project组织的一款Web应用开发框架。 Public Knowledge Project PKP Web Application Library 3.3.0-22及之前版本、3.4.0-10及之前版本和3.5.0-4及之前版本存在输入验证错误漏洞，该漏洞源于classes/xslt/XSLTransformer.php文件中的_transformPHP函数
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
pkp pkp-lib 3.3.0-22 cpe:2.3:a:pkp:pkp-lib:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-76572

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-76572

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-76572 (3)

Vendor Advisories for CVE-2026-76572 (1)

News Coverage for CVE-2026-76572 (1)

Vendor Pages for CVE-2026-76572 (1)

Other References for CVE-2026-76572 (1)

IV. Related Vulnerabilities

Same product: pkp-lib
Same vendor: pkp
Same weakness: CWE-611