What is CVE-2020-29164?

CVE-2020-29164 is a medium-severity vulnerability in Rainbowfishsoftware Pacsone Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-02-03.

How severe is CVE-2020-29164?

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

Is CVE-2020-29164 known to be exploited?

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

XSS in Rainbowfishsoftware Pacsone Server

CVE-2020-29164

PacsOne Server (PACS Server In One Box) below 7.1.1 is affected by cross-site scripting (XSS).

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-02-03 · 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: 0.062 (93.3th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.062 · newest: 0.062 · change: 0.000

Affected products

Rainbowfishsoftware Pacsone Server

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

gist.github.com/leommxj/0a32afeeaac960682c5b7c9ca8ed070d (Exploit, Third Party Advisory)
pacsone.net/download.htm (Product, Vendor Advisory)

Frequently asked questions

What is CVE-2020-29164?: CVE-2020-29164 is a medium-severity vulnerability in Rainbowfishsoftware Pacsone Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-02-03.
How severe is CVE-2020-29164?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-29164 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.