CVE-2024-45455Network attack vector

Stored XSS via undisclosed input neutralization

Published Sep 15, 2024 · Updated Apr 28, 2026

Stored XSS in JoomUnited WP Meta SEO 4.5.13 and earlier allows remote authenticated users to execute scripts in visitors' browsers. Patchstack has not disclosed the affected input field, handler, storage location, or output operation that fails to neutralize the payload. Administrator access is required to plant the payload, and a visitor must load the affected content for the script to execute in that visitor's browser.

CVSS severity5.9
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in JoomUnited WP Meta SEO 4.5.13 and earlier allows remote authenticated users to execute scripts in visitors' browsers. Patchstack has not disclosed the affected input field, handler, storage location, or output operation that fails to neutralize the payload. Administrator access is required to plant the payload, and a visitor must load the affected content for the script to execute in that visitor's browser.

The record

CVE
CVE-2024-45455
Published
Sep 15, 2024
Updated
Apr 28, 2026
Vendor
JoomUnited
Product
WP Meta SEO
Classifications
CWE-79, CAPEC-592, T1189
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 15, 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=0 <=4.5.13 changes=[{"at":"4.5.14","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

JoomUnited · WP Meta SEOversion=0 <=4.5.13 changes=[{"at":"4.5.14","status":"unaffected"}]

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
5.9PatchstackCVSS:3.1/AV:N/AC:L/PR:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1189Drive-by Compromise

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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