CVE-2026-48953 - Vulnerability Details - OpenCVE

Lack of escaping leads to an XSS vulnerability in the generic image output layout.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Joomla! Project

Joomla! CMS

unaffected

Version	Status	Constraints
`4.0.0-5.4.6`	affected	—
`6.0.0-6.1.1`	affected	—

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://developer.joomla.org/security-centre/1061-20260707-core-xss-in-the-generic-image-output-layout.html

History

Tue, 07 Jul 2026 19:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 07 Jul 2026 18:15:00 +0000

Type	Values Removed	Values Added
Description		Lack of escaping leads to an XSS vulnerability in the generic image output layout.
Title		Joomla! Core - [20260707] - XSS in the generic image output layout
Weaknesses		CWE-79
References		https://developer.joomla.org/security-centre/1061-20260707-core-xss-in-the-generic-image-output-layout.html
Metrics		cvssV4_0 `{'score': 5.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Joomla

Published: 2026-07-07T17:30:00.427Z

Updated: 2026-07-07T18:52:58.728Z

Reserved: 2026-05-26T16:47:13.550Z

Link: CVE-2026-48953

Vulnrichment

Updated: 2026-07-07T18:52:53.725Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

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