CVE-2021-24807

Support Board < 3.3.5 - Agent+ Stored Cross-Site Scripting

EPSS 1.4%CWE-79

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

08 Nov 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Unknown · Support Board

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References

https://github.com/itsjeffersonli/CVE-2021-24807 https://medium.com/%40lijohnjefferson/cve-2021-24807-6bc22af2a444 https://wpscan.com/vulnerability/19d101aa-4b60-4db4-a33b-86c826b288b0