MediumPublic exploit

Arbitrary File Upload in Opera 6.0.1/6.0.2 via input type=file

IdentifiersCVE-2002-0898CWE-434

Opera versions 6.0.1 and 6.0.2 contain a vulnerability where a remote website can upload arbitrary files from the client system without user interaction. This is achieved by crafting an HTML form with an input type=file element whose value contains a newline character, bypassing the expected user prompt and allowing file exfiltration.

For your environment

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

An attacker can exfiltrate arbitrary files from a user's system simply by enticing them to visit a malicious website. This results in a complete compromise of the confidentiality of files accessible to the browser process, potentially exposing sensitive user data.

Mitigation

If you can’t patch tonight, do this now.

As a temporary mitigation, users should avoid visiting untrusted websites and consider disabling JavaScript or file upload functionality in the browser until a patch is applied.

Remediation

Patch, then assume compromise.

Upgrade to a version of Opera in which this vulnerability is patched. Ensure that the browser properly prompts the user before any file upload action and does not allow manipulation of the file input value via newline or other special characters.

PUBLIC EXPLOITS

Exploits

No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.

VALID 0 / 1 TOTALView more in app

All candidate exploits were filtered out by Mallory's validation.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

OperaOpera Web Browserapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

No public activity tracked yet. Mallory keeps watching.

0 SOURCESView more in app

No public activity observed for this vulnerability.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity