SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2011-5077

Unrestricted file upload vulnerability in attachement.php in HDWiki 5.0 allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in image directory.

HIGH 7.5EPSS 2.06%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Unrestricted file upload vulnerability in attachement.php in HDWiki 5.0 allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in image directory.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
2.06% probability · 81th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
hudong/hdwiki
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.06%26 October 202626 October 2026

EPSS 2.1% 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.