Executive Summary
This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-27889 | First vendor Publication | 2021-03-15 |
| Vendor | Cve | Last vendor Modification | 2024-11-21 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | |||
|---|---|---|---|
| Overall CVSS Score | 6.1 | ||
| Base Score | 6.1 | Environmental Score | 6.1 |
| impact SubScore | 2.7 | Temporal Score | 6.1 |
| Exploitabality Sub Score | 2.8 | ||
| Attack Vector | Network | Attack Complexity | Low |
| Privileges Required | None | User Interaction | Required |
| Scope | Changed | Confidentiality Impact | Low |
| Integrity Impact | Low | Availability Impact | None |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:N) | |||
|---|---|---|---|
| Cvss Base Score | 4.3 | Attack Range | Network |
| Cvss Impact Score | 2.9 | Attack Complexity | Medium |
| Cvss Expoit Score | 8.6 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Cross-site Scripting (XSS) vulnerability in MyBB before 1.8.26 via Nested Auto URL when parsing messages. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27889 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-79 | Failure to Preserve Web Page Structure ('Cross-site Scripting') (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2025-07-01 01:43:30 |
|
| 2024-11-28 13:54:48 |
|
| 2021-09-21 21:23:40 |
|
| 2021-09-08 01:43:29 |
|
| 2021-08-21 00:23:00 |
|
| 2021-05-04 14:09:29 |
|
| 2021-04-22 03:13:26 |
|
| 2021-03-26 12:38:35 |
|
