CVE-2003-1252

S8forum vulnerability

CVSS

7.5

EPSS

3.1%

EPSS pct

86th

Exploited

No known

register.php in S8Forum 3.0 allows remote attackers to execute arbitrary PHP commands by creating a user whose name ends in a .php extension and entering the desired commands into the E-mail field, which creates a web-accessible .php file that can be called by the attacker, as demonstrated using a "system($cmd)" E-mail address with a "any_name.php" username.

Affected vendor

Kelli Shaver

Affected product

S8forum

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Published

2003-12-31

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2003-1252

Confirm whether Kelli Shaver S8forum is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2003-1252.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2003-1252

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2003-1252 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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