Is CVE-2001-0898 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2001-0898, but active exploitation has not been confirmed.

Can CVE-2001-0898 be exploited remotely?

Yes. CVE-2001-0898 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2001-0898?

CVE-2001-0898 has a CVSS score of 5.0 (MEDIUM).

HOME VULNERABILITIESCVE-2001-0898

MEDIUMPOC

CVE-2001-0898

NVD-CWE-OtherPublished: November 15, 2001· Updated: Jun 16, 2026

5.0

CVSS v3.1

Official Description

Opera 6.0 and earlier allows remote attackers to access sensitive information such as cookies and links for other domains via Javascript that uses setTimeout to (1) access data after a new window to the domain has been opened or (2) access data via about:cache.

NVD Source

Technical Analysis

CVE-2001-0898 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2001-0898. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.