CVE-2008-4200

Opera Browser vulnerability

CVSS

6.4

EPSS

3.2%

EPSS pct

87th

Exploited

No known

Opera before 9.52 does not ensure that the address field of a news feed represents the feed's actual URL, which allows remote attackers to change this field to display the URL of a page containing web script controlled by the attacker.

Affected vendor

Opera

Affected product

Opera Browser

CVSS vector

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

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2008-09-27

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 integrity, partial impact to availability.

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2008-4200

Confirm whether Opera Opera Browser is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2008-4200.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-4200

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-4200 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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