CVE-2003-0283

Phorum vulnerability

CVSS

6.8

EPSS

4.0%

EPSS pct

89th

Exploited

No known

Cross-site scripting (XSS) vulnerability in Phorum before 3.4.3 allows remote attackers to inject arbitrary web script and HTML tags via a message with a "<<" before a tag name in the (1) subject, (2) author's name, or (3) author's e-mail.

Affected vendor

Phorum

Affected product

Phorum

CVSS vector

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

Published

2003-06-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium 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 4.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2003-0283

Confirm whether Phorum Phorum is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2003-0283.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2003-0283

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2003-0283 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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