CVE-2021-32664Network attack vector

Reflected XSS via unescaped decoded query text

Published Oct 19, 2021 · Updated Aug 3, 2024

Reflected XSS in Combodo iTop before 2.6.5 and 2.7.0 through 2.7.4 allows remote authenticated users to run script in a user's browser. ShowExamples in pages/run_query.php base64-decodes the supplied query expression and echoes the decoded text into HTML without output encoding. Exploitation requires administrator access to the run-query page and interaction by a user who opens the crafted response.

CVSS severity4.8
Medium
EPSS probability0.83%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Combodo iTop before 2.6.5 and 2.7.0 through 2.7.4 allows remote authenticated users to run script in a user's browser. ShowExamples in pages/run_query.php base64-decodes the supplied query expression and echoes the decoded text into HTML without output encoding. Exploitation requires administrator access to the run-query page and interaction by a user who opens the crafted response.

The record

CVE
CVE-2021-32664
Published
Oct 19, 2021
Updated
Aug 3, 2024
Vendor
Combodo
Product
iTop
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Oct 19, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 2.6.5
  2. Affected versionversion=>= 2.7.0, < 2.7.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Combodo · iTopversion=< 2.6.5; version=>= 2.7.0, < 2.7.5

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001Malicious Link

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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