CVE-2023-30483Network attack vector

Script execution via reflected question parameter

Published Aug 14, 2023 · Updated Apr 28, 2026

Reflected XSS in Kiboko Labs Watu Quiz 3.3.9.2 and earlier allows remote attackers to run scripts via the question parameter. The plugin reflects the question request parameter into a generated page without sufficient input sanitization or output escaping. Exploitation requires a victim to follow a crafted link, after which the script executes in that victim's browser context.

CVSS severity7.1
High
EPSS probability0.38%
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 Kiboko Labs Watu Quiz 3.3.9.2 and earlier allows remote attackers to run scripts via the question parameter. The plugin reflects the question request parameter into a generated page without sufficient input sanitization or output escaping. Exploitation requires a victim to follow a crafted link, after which the script executes in that victim's browser context.

The record

CVE
CVE-2023-30483
Published
Aug 14, 2023
Updated
Apr 28, 2026
Vendor
Kiboko Labs Ltd.
Product
Watu Quiz
Classifications
CWE-79, CAPEC-591, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record 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=n/a <=3.3.9.2 changes=[{"at":"3.3.9.3","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Kiboko Labs Ltd. · Watu Quizversion=n/a <=3.3.9.2 changes=[{"at":"3.3.9.3","status":"unaffected"}]

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
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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