SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30133

A cross-site scripting (XSS) vulnerability in CloverDX Server 5.9.0, CloverDX 5.8.1, CloverDX 5.7.0, and earlier allows remote attackers to inject arbitrary web script or HTML via the sessionToken parameter of multiple methods in Simple HTTP API.

MEDIUM 6.1EPSS 0.75%

Does this matter?

Lower severity and a low EPSS score (0.75%). Track it; it rarely justifies an emergency change on its own.

Description

A cross-site scripting (XSS) vulnerability in CloverDX Server 5.9.0, CloverDX 5.8.1, CloverDX 5.7.0, and earlier allows remote attackers to inject arbitrary web script or HTML via the sessionToken parameter of multiple methods in Simple HTTP API. This is resolved in 5.9.1 and 5.10.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.75% probability · 55th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
cloverdx/cloverdx
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 0.75%26 October 202626 October 2026

EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.