Is CVE-2013-4570 being actively exploited?

CVE-2013-4570 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4570?

CVE-2013-4570 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2013-4570

MEDIUM · CVSS 5.0EPSS 1.7%EU EUVD

The zend_inline_hash_func function in php-luasandbox in the Scribuntu extension for MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to converting Lua data structures to PHP, as demonstrated by passing { [{}] = 1 } to a module function.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score: 1.7% (78th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4428)
Published: May 12, 2014
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4428 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki
mediawiki / mediawiki

References

http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-January/000138.html(Patch, Vendor Advisory)
https://bugzilla.wikimedia.org/show_bug.cgi?id=54527(Patch)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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