| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Opera Web Browser up to 9.x. It has been declared as critical. The affected element is an unknown function of the component Frame Handler. Executing a manipulation can lead to input validation. The identification of this vulnerability is CVE-2007-5540. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.
Details
A vulnerability classified as critical was found in Opera Web Browser up to 9.x (Web Browser). This vulnerability affects some unknown processing of the component Frame Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Unspecified vulnerability in Opera before 9.24 allows remote attackers to overwrite functions on pages from other domains and bypass the same-origin policy via unknown vectors.
The weakness was shared 10/17/2007 by David Bloom (Website). The advisory is available at opera.com. This vulnerability was named CVE-2007-5540 since 10/17/2007. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.
It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 27533 (openSUSE 10 Security Update : opera (opera-4575)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115648 (Opera Multiple Vulnerabilities).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (37427), Tenable (27533), SecurityFocus (BID 26102†), OSVDB (38128†) and Secunia (SA27277†). The entries VDB-3393, VDB-3395 and VDB-3525 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.opera.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 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: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 27533
Nessus Name: openSUSE 10 Security Update : opera (opera-4575)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 58777
OpenVAS Name: FreeBSD Ports: opera, opera-devel, linux-opera
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
10/17/2007 🔍10/17/2007 🔍
10/17/2007 🔍
10/17/2007 🔍
10/17/2007 🔍
10/17/2007 🔍
10/17/2007 🔍
10/19/2007 🔍
10/22/2007 🔍
10/24/2007 🔍
10/25/2007 🔍
06/02/2025 🔍
Sources
Vendor: opera.comAdvisory: opera.com
Researcher: David Bloom
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2007-5540 (🔍)
GCVE (CVE): GCVE-0-2007-5540
GCVE (VulDB): GCVE-100-3394
X-Force: 37427
SecurityFocus: 26102 - Opera Web Browser Frame Functions Same Origin Policy Bypass Vulnerability
Secunia: 27277 - Opera Multiple Vulnerabilities, Highly Critical
OSVDB: 38128 - Opera with Adobe Flash Player on Mac OS X Unspecified Issue
Vulnerability Center: 16607 - Opera Web Browser Unspecified Vulnerability Allows Remote Attacker to Bypass Restrictions, High
Vupen: ADV-2007-3529
See also: 🔍
Entry
Created: 10/19/2007 10:35Updated: 06/02/2025 16:17
Changes: 10/19/2007 10:35 (79), 04/22/2019 10:52 (11), 03/16/2021 06:47 (2), 06/02/2025 16:17 (18)
Complete: 🔍
Cache ID: 216:213:103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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