SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-4035

A stored cross site scripting have been identified at the comments in the report creation due to an obsolote version of tinymce editor.

MEDIUM 4.8EPSS 0.45%

Does this matter?

Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.

Description

A stored cross site scripting have been identified at the comments in the report creation due to an obsolote version of tinymce editor. In order to exploit this vulnerability, the attackers needs an account with enough privileges to view and edit reports.

CVSS 3.1
4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
0.45% probability · 39th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
wocu-monitoring/wocu monitoring
Source
cve-coordination@incibe.es
EPSS trend
0%3%5%26 October 2026: 0.45%26 October 202626 October 2026

EPSS 0.4% 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.