What is CVE-2020-28141?

CVE-2020-28141 is a medium-severity vulnerability in Online Discussion Forum Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-04-19.

How severe is CVE-2020-28141?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2020-28141 known to be exploited?

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

XSS in Online Discussion Forum Project

CVE-2020-28141

The messaging subsystem in the Online Discussion Forum 1.0 is vulnerable to XSS in the message body. An authenticated user can send messages to arbitrary users on the system that include javascript that will execute when viewing the messages page.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-04-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Online Discussion Forum Project — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

www.exploit-db.com/exploits/48897 (Exploit, VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2020-28141?: CVE-2020-28141 is a medium-severity vulnerability in Online Discussion Forum Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-04-19.
How severe is CVE-2020-28141?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2020-28141 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.