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Fencer Intel
medium 6.1

CVE-2021-41318 json

In Progress WhatsUp Gold prior to version 21.1.0, an application endpoint failed to adequately sanitize malicious input.

published 5y ago modified last mo. also EUVD-2021-28347

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.9%
EPSS 5.9% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

In Progress WhatsUp Gold prior to version 21.1.0, an application endpoint failed to adequately sanitize malicious input. which could allow an unauthenticated attacker to execute arbitrary code in a victim's browser.

Patch / fix

  • progress whatsup_gold 21.1.0

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Timeline

  1. Published
  2. First public exploit (EDB-50366)

Exploit prediction

5.88% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-50366 WhatsUpGold 21.0.3 - Stored Cross-Site Scripting (XSS) webapps, 2021-10-01
  • packetstormsecurity.com http://packetstormsecurity.com/files/164359/WhatsUpGold-21.0.3-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.