Vulnerability · Published Nov 8, 2021 · Assigned by WPScan
CVE-2021-24807Support Board < 3.3.5 - Agent+ Stored Cross-Site Scripting
Medium 5.4
In plain English
A medium-severity cross-site scripting in Support Board from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)1.4%top 27.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Support Board | 3.3.5 – before 3.3.5 |
Weakness: CWE-79
References
- https://wpscan.com/vulnerability/19d101aa-4b60-4db4-a33b-86c826b288b0 x_refsource_MISC
- https://medium.com/%40lijohnjefferson/cve-2021-24807-6bc22af2a444 x_refsource_MISC
- https://github.com/itsjeffersonli/CVE-2021-24807 x_refsource_MISC