peter bassill · operator
$ cve CVE-2009-4157 JSON

CVE-2009-4157 EXPLOIT

4.3
MEDIUM · CVSS 2.0 · EPSS 1.3% (pctl 70)

Patch early

A public exploit exists.

Description

Multiple cross-site scripting (XSS) vulnerabilities in index.php in the ProofReader (com_proofreader) component 1.0 RC9 and earlier for Joomla! allow remote attackers to inject arbitrary web script or HTML via the URI, which is not properly handled in (1) 404 or (2) error pages.

Scoring

CVSS4.3 (MEDIUM, v2.0)
VectorAV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS1.31% — more likely to be exploited than 70% of all CVEs
WeaknessCWE-79
On CISA KEVno
Public exploityes
Published2009-12-02
Last modified2026-06-16

Affected (2)

VendorProduct
joomlajoomla\!
joomlatunecom proofreader

Public exploits

References

→ the Explorer  ·  watch your stack  ·  NVD