WordPress up to 5.3.0 Block Editor cross site scripting
| 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 (β)
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. |
|---|---|---|
| 4.3 | $0-$5k | 5.70- |
A vulnerability classified as problematic has been found in WordPress up to 5.3.0 (Content Management System). This affects an unknown functionality of the component Block Editor. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. This is going to have an impact on integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors.
The weakness was released 12/26/2019 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2019-16781 since 09/24/2019. It is possible to initiate the attack remotely. The successful exploitation needs a single authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/27/2019).
Upgrading to version 5.3.1 eliminates this vulnerability.
Entry connected to this vulnerability is available at 147770.
Type
Name
VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.3
VulDB Base Score: 4.1
VulDB Temp Score: 3.6
VulDB Vector: π
VulDB Reliability: π
NVD Base Score: 5.8
NVD Vector: π
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| π | π | π | π | π | π |
| π | π | π | π | π | π |
| π | π | π | π | π | π |
| 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: π
VulDB Temp Score: π
VulDB Reliability: π
Class: Cross site scripting (CWE-79)
Local: No
Remote: Yes
Availability: π
Status: Not defined
Price Prediction: π
Current Price Estimation: π
| 0-Day | unlock | unlock | unlock | unlock |
|---|---|---|---|---|
| Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Threat: π
Adversaries: π
Geopolitics: π
Economy: π
Predictions: π
Remediation: πRecommended: Upgrade
Status: π
0-Day Time: π
Upgrade: WordPress 5.3.1
09/24/2019 CVE assigned
12/26/2019 Advisory disclosed
12/27/2019 VulDB entry created
12/27/2019 VulDB last updateProduct: wordpress.com
Advisory: github.com
Status: Unconfirmed
CVE: CVE-2019-16781 (π)
See also: π
Created: 12/27/2019 09:02 AM
Complete: π
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