How severe is CVE-2007-4190?

No CVSS score has been assigned to CVE-2007-4190 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2007-4190?

CVE-2007-4190 affects the following packages: joomla/application (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2007-4190?

Update joomla/application to 1.0.13 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2007-4190 is resolved across your whole dependency graph.

How do I detect CVE-2007-4190 in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for joomla/application, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2007-4190 if there is no patch (or I can't update yet)?

Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Is CVE-2007-4190 actively exploited in the wild?

No public exploit code has been indexed for CVE-2007-4190 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2007-4190?

CVE-2007-4190 has an EPSS (Exploit Prediction Scoring System) score of 1.7%, placing it in the 77th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2007-4190?

CVE-2007-4190 is classified as CWE-74 (CWE-74). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2007-4190 published, and has it been updated?

CVE-2007-4190 was published on May 1, 2022 and was last updated on December 3, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2007-4190: application XSS

EPSS Exploitation Probability

via FIRST.org ↗

1.7%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs77th percentile — riskier than 77% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

1 pkg affected

🐘joomla/application

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

CRLF injection vulnerability in Joomla! before 1.0.13 (aka Sunglow) allows remote attackers to inject arbitrary HTTP headers and probably conduct HTTP response splitting attacks via CRLF sequences in the url parameter. NOTE: this can be leveraged for cross-site scripting (XSS) attacks. NOTE: some of these details are obtained from third party information.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`joomla/application`	all versions	1.0.13`composer require joomla/application:^1.0.13`

Affected Products

1 product · 1 configurations

Application

joomla\!joomla

< 1.0.13

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for joomla/application, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update joomla/application to 1.0.13 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2007-4190 is resolved across your whole dependency graph.
Workarounds
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

CRLF injection vulnerability in Joomla! before 1.0.13 (aka Sunglow) allows remote attackers to inject arbitrary HTTP headers and probably conduct HTTP response splitting attacks via CRLF sequences in the url parameter. NOTE: this can be leveraged for cross-site scripting (XSS) attacks. NOTE: some of these details are obtained from third party information.

O3 Security · Impact-Aware SCA

Is CVE-2007-4190 in your dependencies?

Find it across Packagist, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVE-2007-4190 — application