An issue was discovered in Public Knowledge Project (PKP) pkp-lib before 3.1.2-2, as used in Open Journal Systems (OJS) before 3.1.2-2.

published 2019-12-19 6y ago modified 2026-06-17 4mo ago also EUVD-2019-9501

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits: 0; none known

An issue was discovered in Public Knowledge Project (PKP) pkp-lib before 3.1.2-2, as used in Open Journal Systems (OJS) before 3.1.2-2. Code injection can occur in the OJS report generator if an authenticated Journal Manager user visits a crafted URL, because unserialize is used.

Patch / fix

fixed in 1 links 1

sfu open_journal_system 3.1.2-2

github.com/pkp/pkp-lib/compare/3_1_2-1...3_1_2-2 advisory

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Exploit prediction

1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-94 Improper Control of Generation of Code
CWE-502 Deserialization of Untrusted Data

References

github.com /pkp/pkp-lib/compare/3_1_2-1...3_1_2-2
patch, third-party-advisory
pkp.sfu.ca /ojs/ojs_download/
vendor-advisory
github.com /pkp/pkp-lib/issues/5302
third-party-advisory

Sources

CVE List CVE-2019-19909
NVD CVE-2019-19909

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