Multiple stored XSS vulnerabilities in Sophos Connect versions older than 2.2.90 allow Javascript code to run in the local UI via a malicio…

published 2023-03-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52157

cvss: 3.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits: 0; none known

Multiple stored XSS vulnerabilities in Sophos Connect versions older than 2.2.90 allow Javascript code to run in the local UI via a malicious VPN configuration that must be manually loaded by the victim.

Patch / fix

fixed in 1

Sophos Sophos Connect Client 2.2.90

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 20 mo ago (2025-03-07)

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Sophos Sophos Connect Client

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

sophos.com /en-us/security-advisories/sophos-sa-20230301-scc-csrf
vendor-advisory

Sources

CVE List CVE-2022-4901
NVD CVE-2022-4901

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