Vulnerability Details : CVE-2021-24807
The Support Board WordPress plugin before 3.3.5 allows Authenticated (Agent+) users to perform Cross-Site Scripting attacks by placing a payload in the notes field, when an administrator or any authenticated user go to the chat the XSS will be automatically executed.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-24807
- cpe:2.3:a:schiocco:support_board:*:*:*:*:*:wordpress:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-24807
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-24807
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-24807
-
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.Assigned by:
- contact@wpscan.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-24807
-
https://github.com/itsjeffersonli/CVE-2021-24807
GitHub - itsjeffersonli/CVE-2021-24807: Support Board 3.3.4 Authenticated Stored XSSExploit;Third Party Advisory
-
https://medium.com/@lijohnjefferson/cve-2021-24807-6bc22af2a444
CVE-2021–24807. Support Board 3.3.4 Authenticated… | by John Jefferson Li | Oct, 2021 | MediumExploit;Third Party Advisory
-
https://wpscan.com/vulnerability/19d101aa-4b60-4db4-a33b-86c826b288b0
Attention Required! | CloudflareExploit;Third Party Advisory
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