CVE-2021-24234Public exploitNetwork attack vector

Administrator script execution via unsanitized tab parameter

Published Apr 22, 2021 · Updated Aug 3, 2024

Reflected XSS in Ivory Search before 4.6.1 allows remote attackers to execute script in an administrator's browser via a crafted link. The Search Forms page reflects the tab query parameter into its HTML response without properly sanitizing the parameter before output. Exploitation requires a high-privilege user to open the link and requires knowledge of a valid search-form identifier.

CVSS severity6.1
Medium
EPSS probability1.17%
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 Ivory Search before 4.6.1 allows remote attackers to execute script in an administrator's browser via a crafted link. The Search Forms page reflects the tab query parameter into its HTML response without properly sanitizing the parameter before output. Exploitation requires a high-privilege user to open the link and requires knowledge of a valid search-form identifier.

The record

CVE
CVE-2021-24234
Published
Apr 22, 2021
Updated
Aug 3, 2024
Vendor
Ivory Search
Product
Ivory Search
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 22, 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=4.6.1 <4.6.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Ivory Search · Ivory Searchversion=4.6.1 <4.6.1

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:P/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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

Public exploit references

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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