VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVReported exploited: VulnCheck KEV since Published EPSS 10.5% probability of exploitation in 30 days
Fortinet

CVE-2021-22122: An improper neutralization of input during web page generation in FortiWeb GUI interface 6.3.0 through 6.3.7 and vers…

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .

VulnCheck KEV lists it since . It cites 294 public reports, the first from .

How likely is exploitation in the next 30 days?
10.5%

EPSS score, percentile 95.8 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
Not scored

The CVE record carries no CVSS score.

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • FortiWeb 6.3.0 through 6.3.7 and version before 6.2.4

Versions by product

Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

Description

An improper neutralization of input during web page generation in FortiWeb GUI interface 6.3.0 through 6.3.7 and version before 6.2.4 may allow an unauthenticated, remote attacker to perform a reflected cross site scripting attack (XSS) by injecting malicious payload in different vulnerable API end-points.

Source: CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)
Fortinet Fortinet FortiWeb
StatusVersions
AffectedFortiWeb 6.3.0 through 6.3.7 and version before 6.2.4

Source: CVE List, as of . About the data.

Timeline

DateEvent
CVE record published
CVE record last updated

References

1

Known exploited Fortinet vulnerabilities

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  • CVE-2025-68686: Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (added )
  • CVE-2026-25089: Fortinet FortiSandbox OS Command Injection Vulnerability (added )