CVE-2006-4450

mediumpriority · track · 31EPSS 0.042 · 91 %ileexploit · functionalEUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · functional
Likely / severe?
4.20% (91st) EPSS
CVSS 5.1 · medium
Is it mine?
2 products
Check your exposure
Who says so?
2 sources
enisa_euvd · nvd

EPSS · scored 2026-10-27

usercp_avatar.php in PHPBB 2.0.20, when avatar uploading is enabled, allows remote attackers to use the server as a web proxy by submitting a URL to the avatarurl parameter, which is then used in an HTTP GET request.

01

cvss

Technical severity, 0–10. One row per scoring source.

5.1
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05.1mediumAV:N/AC:H/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 4.9 · impact 6.4
v2.04.6mediumAV:N/AC:H/Au:N/C:P/I:P/A:P/E:POCsecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USLLM-inferredCWE-441USLLM-inferred
03

exploits (1)

Public proof-of-concept and weaponised exploit code.

04

affected products (2)

Products and version ranges known to be affected.

05

also known as (2)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

enisa_euvdnvdNVDCVE.orgMITRE
published 2006-08-30modified 2026-06-16
07

references (10)

External citations — patches, advisories, analysis.

scry

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