SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-26669

A stored cross-site scripting (XSS) vulnerability was discovered in BigTree CMS 4.4.10 and earlier which allows an authenticated attacker to execute arbitrary web scripts or HTML via the page content to site/index.php/admin/pages/update.

MEDIUM 5.4EPSS 0.60%

Does this matter?

Lower severity and a low EPSS score (0.60%). Track it; it rarely justifies an emergency change on its own.

Description

A stored cross-site scripting (XSS) vulnerability was discovered in BigTree CMS 4.4.10 and earlier which allows an authenticated attacker to execute arbitrary web scripts or HTML via the page content to site/index.php/admin/pages/update.

CVSS 3.1
5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.60% probability · 49th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
bigtreecms/bigtree cms
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 0.60%26 October 202626 October 2026

EPSS 0.6% 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.

References

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