What is CVE-2023-5901?

CVE-2023-5901 is a low-severity vulnerability in Pkp Pkp/pkp-Lib, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2023-11-07.

How severe is CVE-2023-5901?

Low severity. CVSS v3 base score is 3.5 out of 10.

XSS in Pkp Pkp/pkp-Lib

CVE-2023-5901

Cross-site Scripting in GitHub repository pkp/pkp-lib prior to 3.3.0-16.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-11-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Pkp Pkp/pkp-Lib — versions unspecified
Sfu Pkp Web Application Library

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.com/bounties/8fb9b06b-cadd-469e-862d-5ce026019597 (Exploit, Third Party Advisory)
github.com/pkp/pkp-lib/commit/44d8bde60eb2575fd4087b76540aec9b49389e23 (Patch)

Frequently asked questions

What is CVE-2023-5901?: CVE-2023-5901 is a low-severity vulnerability in Pkp Pkp/pkp-Lib, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2023-11-07.
How severe is CVE-2023-5901?: Low severity. CVSS v3 base score is 3.5 out of 10.