CVE-2024-43156Network attack vector

Reflected script execution via unescaped input

Published Aug 12, 2024 · Updated Apr 28, 2026

Reflected XSS in AddonMaster Post Grid Master 3.4.10 and earlier allows remote attackers to execute scripts via crafted requests. Public advisories attribute the flaw to insufficient input sanitization and output escaping but do not identify the affected parameter, function, or template. Exploitation requires an unauthenticated attacker to lure a user into opening a crafted link, causing script execution in that user's browser context.

CVSS severity7.1
High
EPSS probability0.27%
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 AddonMaster Post Grid Master 3.4.10 and earlier allows remote attackers to execute scripts via crafted requests. Public advisories attribute the flaw to insufficient input sanitization and output escaping but do not identify the affected parameter, function, or template. Exploitation requires an unauthenticated attacker to lure a user into opening a crafted link, causing script execution in that user's browser context.

The record

CVE
CVE-2024-43156
Published
Aug 12, 2024
Updated
Apr 28, 2026
Vendor
AddonMaster
Product
Post Grid Master — Post Grids & AJAX Filters
Classifications
CWE-79, CAPEC-591, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 12, 2024CVE 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 <=3.4.10 changes=[{"at":"3.4.11","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

AddonMaster · Post Grid Master — Post Grids & AJAX Filtersversion=n/a <=3.4.10 changes=[{"at":"3.4.11","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
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/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
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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