CVE-2021-27520
CVE-2021-27520
Vexday Risk Score
38Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
Exploit maturity
Functional exploit
Automatable exploit available (Nuclei/Metasploit).
CVSS —EPSS 6.4%KEV nãoPoC públicaNuclei simMetasploit —Patch —
Lifecycle
19 Mar 2021Published on NVD
03 Jun 2021Public PoC
Weaponization speed
75 daysto first PoC
Recommendation: Plan a near-term fix — a public PoC already exists.
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "author" parameter.
Affected products
n/a · n/apublic PoCs found — 2
cve_referencepacketstormsecurity.com/files/162942/FUDForum-3.1.0-Cross-Site-Scripting.htmlunverifiedexploitdbwww.exploit-db.com/exploits/49943unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.