subrion CMS Cross Site Scripting (XSS) vulnerability

published 2021-04-09 5 y ago modified 2026-06-17 4 mo ago also GHSA-xhc3-5pgf-p576 , EUVD-2022-5795

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits: 0; none known

Cross Site Scripting (XSS) vulnerability in subrion CMS Version <= 4.2.1 allows remote attackers to execute arbitrary web script via the "payment gateway" column on transactions tab.

Exploit prediction

1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

hidden-one.co.in http://hidden-one.co.in/2021/04/09/cve-2020-23761-stored-xss-vulnerability-in-subrion-cms-version/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	intelliants/subrion	<=4.2.1	no fix listed

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

hidden-one.co.in /2021/04/09/cve-2020-23761-stored-xss-vulnerability-in-subrion-cms-version/
exploit, third-party-advisory
subrion.org /
product
nvd.nist.gov /vuln/detail/CVE-2020-23761
advisory
github.com /intelliants/subrion
package
subrion.org
web
hidden-one.co.in /2021/04/09/cve-2020-23761-stored-xss-vulnerability-in-subrion-cms-version
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary