CVE-2025-54298Network attack vector

Stored script execution in visitors' browsers

Published Jul 28, 2025 · Updated Jul 31, 2025

Stored XSS in Firecoders CommentBox for Joomla 1.0.0 through 1.1.0 allows remote attackers to execute script in a visitor's browser. The Joomla Project and Firecoders have not disclosed the affected code path, stored field, or missing neutralization operation. Exploitation requires another user to view the stored content; the resulting script runs in that user's browser context and can read or modify accessible page data.

CVSS severity9.4
Critical
EPSS probability0.41%
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 Firecoders CommentBox for Joomla 1.0.0 through 1.1.0 allows remote attackers to execute script in a visitor's browser. The Joomla Project and Firecoders have not disclosed the affected code path, stored field, or missing neutralization operation. Exploitation requires another user to view the stored content; the resulting script runs in that user's browser context and can read or modify accessible page data.

The record

CVE
CVE-2025-54298
Published
Jul 28, 2025
Updated
Jul 31, 2025
Vendor
Firecoders
Product
CommentBox for Joomla
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 28, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 31, 2025Record 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=1.0.0-1.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Firecoders · CommentBox for Joomlaversion=1.0.0-1.1.0

Published CVSS scores

9.4Joomla! ProjectCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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')
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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