CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

A vulnerability was found in Opera Web Browser 7.23 (Web Browser). It has been rated as problematic. Affected by this issue is the function onUnload of the component Address Bar. Impacted is integrity. CVE summarizes:

Opera Browser 7.23, and other versions before 7.50, updates the address bar as soon as the user clicks a link, which allows remote attackers to redirect to other sites via the onUnload attribute.

The bug was discovered 05/03/2004. The weakness was released 05/13/2004 by Jakob Balle with Secunia Research (Website). The advisory is shared for download at secunia.com. This vulnerability is handled as CVE-2004-2260 since 07/19/2005. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 14244 (Opera < 7.50 onUnload Address Bar Spoofing), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at opera.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (16131) and Tenable (14244). securiteam.com is providing further details.

Productinfo

Type

• Web Browser

Vendor

• Opera

Name

• Web Browser

Version

• 7.23

License

• free

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 14244
Nessus Name: Opera < 7.50 onUnload Address Bar Spoofing
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14244
OpenVAS Name: Opera web browser address bar spoofing weakness
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: opera.com

Timelineinfo

05/03/2004 🔍
05/13/2004 +10 days 🔍
05/13/2004 +0 days 🔍
05/13/2004 +0 days 🔍
05/13/2004 +0 days 🔍
05/19/2004 +5 days 🔍
08/10/2004 +83 days 🔍
08/18/2004 +8 days 🔍
12/31/2004 +135 days 🔍
07/19/2005 +200 days 🔍
03/09/2021 +5712 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: secunia.com⛔
Researcher: Jakob Balle
Organization: Secunia Research
Status: Not defined

CVE: CVE-2004-2260 (🔍)
X-Force: 16131 - Opera onUnload URL spoofing, Medium Risk
Vulnerability Center: 5133 - Opera Web Browser onUnload Event Handler URL Spoofing, Medium
SecurityFocus: 10337 - Opera Web Browser Address Bar Spoofing Weakness
Secunia: 11532 - Opera Browser Address Bar Spoofing Vulnerability, Less Critical
OSVDB: 6108 - Opera onUnload Address Bar Spoofing

Misc.: 🔍

Entryinfo

Created: 05/19/2004 11:00
Updated: 03/09/2021 14:08
Changes: 05/19/2004 11:00 (90), 04/22/2019 10:51 (3), 03/09/2021 14:08 (2)
Complete: 🔍

Discussion

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