Medium 4.7Published Aug 19, 2026

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

Updated under an hour ago (2026-10-19 08:50 UTC)

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Every CVE for pkp-lib

Exploited in the last 30 days

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.

CVSS: 4.7 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-611, CWE-610
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Aug 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

pkp pkp-lib pkp:pkp-lib	3.3.0-22; 3.4.0-10; 3.5.0-4; 3.3.0-23 not affected; 3.4.0-11 not affected; 3.5.0-5 not affected	CNA record

References

https://vuldb.com/vuln/393037vdb-entry, technical-description
https://vuldb.com/vuln/393037/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-76572third-party-advisory
https://vuldb.com/submit/878359third-party-advisory
https://github.com/pkp/pkp-lib/issues/12977issue-tracking
https://github.com/pkp/pkp-lib/commit/78c699370ea43ae2784e1c4ace7c947d207f2b47patch
https://github.com/pkp/pkp-lib/releases/tag/3_5_0-5patch
https://github.com/pkp/pkp-lib/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.