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CVE-2022-43955An improper neutralization of input during web page generation [CWE-79] in the FortiWeb web interface 7.0.0 through 7.0.3, 6.3.0 through…

Description

An improper neutralization of input during web page generation [CWE-79] in the FortiWeb web interface 7.0.0 through 7.0.3, 6.3.0 through 6.3.21, 6.4 all versions, 6.2 all versions, 6.1 all versions and 6.0 all versions may allow an unauthenticated and remote attacker to perform a reflected cross site scripting attack (XSS) via injecting malicious payload in log entries used to build report.

Timeline

  1. ID reserved

    By fortinet

  2. · 6 months later

    Published

  3. · 19 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-43955, by who scored it
Scored byCVSSScoreVector
fortinetCNA (assigner)3.1High8.0CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
NVDNVD · Modified3.1Medium6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS (exploitation in 30 days)
0.64% · top 49% of all CVEs (12 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.0.

Affected products

  • Fortinet · FortiWeb

    • affected 7.0.0 – ≤ 7.0.3
    • affected 6.4.0 – ≤ 6.4.2
    • affected 6.3.0 – ≤ 6.3.21
    • affected 6.2.0 – ≤ 6.2.7
    • affected 6.1.0 – ≤ 6.1.3
    • affected 6.0.0 – ≤ 6.0.8

What to do

Solution: Please upgrade to FortiWeb version 7.2.0 or above Please upgrade to FortiWeb version 7.0.4 or above Please upgrade to FortiWeb version 6.3.22 or above

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .