What is CVE-2022-26616?

CVE-2022-26616 is a medium-severity vulnerability in Public Knowledge Project Open Journal Systems, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-04.

How severe is CVE-2022-26616?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2022-26616 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Public Knowledge Project Open Journal Systems

CVE-2022-26616

PKP Vendor Open Journal System v2.4.8 to v3.3.8 allows attackers to perform reflected cross-site scripting (XSS) attacks via crafted HTTP headers.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-04-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Public Knowledge Project Open Journal Systems

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

cyberhawk000/CVE-2022-24181

References

github.com/pkp/pkp-lib/issues/7649 (Third Party Advisory, Mitigation, Issue Tracking)
forum.pkp.sfu.ca/t/ojs-omp-ops-3-3-0-9-released/72236 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2022-26616?: CVE-2022-26616 is a medium-severity vulnerability in Public Knowledge Project Open Journal Systems, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-04.
How severe is CVE-2022-26616?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-26616 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.