CVE-2021-24563

Frontend Uploader <= 1.3.2 - Unauthenticated Stored Cross-Site Scripting

EPSS 26.4%CWE-79

Vexday Risk Score

28Low

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS —EPSS 26.4%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

05 Oct 2021Public PoC

11 Oct 2021Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly

Affected products

Unknown · Frontend Uploader

public PoCs found — 3

githubgithub.com/V35HR4J/CVE-2021-24563★ 1 cve_referencepacketstormsecurity.com/files/165515/WordPress-Frontend-Uploader-1.3.2-Cross-Site-Scripting.htmlunverified exploitdbwww.exploit-db.com/exploits/50655unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

http://packetstormsecurity.com/files/165515/WordPress-Frontend-Uploader-1.3.2-Cross-Site-Scripting.html https://wpscan.com/vulnerability/e53ef41e-a176-4d00-916a-3a03835370f1