SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-9331

An issue was discovered in zzcms 8.2. user/adv.php allows remote attackers to delete arbitrary files via directory traversal sequences in the oldimg parameter.

HIGH 7.5EPSS 2.56%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered in zzcms 8.2. user/adv.php allows remote attackers to delete arbitrary files via directory traversal sequences in the oldimg parameter. This can be leveraged for database access by deleting install.lock.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
2.56% probability · 85th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-22
Affected
zzcms/zzcms
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 2.56%27 October 202627 October 2026

EPSS 2.6% since 27 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.