BestWebSoft Contact Form Plugin 4.0.0 on WordPress Stored cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.1 | $0-$5k | 0.05 |
A vulnerability classified as problematic has been found in BestWebSoft Contact Form Plugin 4.0.0 on WordPress (WordPress Plugin). This affects an unknown code block. The manipulation with an unknown input leads to a cross site scripting vulnerability (Stored). CWE is classifying the issue as CWE-80. The software receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. This is going to have an impact on integrity.
The weakness was shared 03/01/2017 by Julien Rentrop as Stored Cross-Site Scripting vulnerability in Contact Form WordPress Plugin as not defined mailinglist post (Full-Disclosure). The advisory is shared at seclists.org. This vulnerability is uniquely identified as CVE-2017-20055. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
The exploit is shared for download at sumofpwn.nl. It is declared as proof-of-concept.
Upgrading to version 4.0.2 eliminates this vulnerability.
Product
Type
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.1
VulDB Base Score: 3.5
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| 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: 🔍
Exploiting
Name: StoredClass: Cross site scripting / Stored
CWE: CWE-80 / CWE-74 / CWE-707
ATT&CK: T1059.007
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | unlock | unlock | unlock | unlock |
|---|---|---|---|---|
| Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Contact Form Plugin 4.0.2
Timeline
03/01/2017 🔍03/01/2017 🔍
06/13/2022 🔍
Sources
Advisory: Stored Cross-Site Scripting vulnerability in Contact Form WordPress PluginResearcher: Julien Rentrop
Status: Not defined
CVE: CVE-2017-20055 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/01/2017 17:43Updated: 06/13/2022 09:16
Changes: 03/01/2017 17:43 (40), 08/18/2020 10:01 (2), 06/13/2022 09:16 (12)
Complete: 🔍
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