remark-html up to 13.0.1/14.0.0 Markdown cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in remark-html up to 13.0.1/14.0.0. Affected by this vulnerability is an unknown functionality of the component Markdown Handler. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2021-39199. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.
Details
A vulnerability was found in remark-html up to 13.0.1/14.0.0 and classified as problematic. Affected by this issue is an unknown code block of the component Markdown Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.
The weakness was presented 09/08/2021. The advisory is available at github.com. This vulnerability is handled as CVE-2021-39199. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.
Upgrading to version 13.0.2 or 14.0.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: remark-html 13.0.2/14.0.1
Patch: github.com
Timeline
08/16/2021 🔍09/08/2021 🔍
09/08/2021 🔍
09/10/2021 🔍
Sources
Advisory: github.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-39199 (🔍)
GCVE (CVE): GCVE-0-2021-39199
GCVE (VulDB): GCVE-100-182138
Entry
Created: 09/08/2021 07:56Updated: 09/10/2021 13:46
Changes: 09/08/2021 07:56 (60), 09/10/2021 13:41 (3), 09/10/2021 13:46 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
No comments yet. Languages: en.
Please log in to comment.