No exploitation reportedFix available

CVE-2013-4572

Q: Is CVE-2013-4572 actively exploited?

Active exploitation of CVE-2013-4572 has not been confirmed. Its EPSS score was 2.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2013-4572?

CVE-2013-4572 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

No exploitation reported by the sources we read.

Published2020-02-06
Fixed in1.21.3 · 1.20.8 · 1.19.9
WeaknessCWE-384

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The CentralNotice extension for MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 sets the Cache-Control header to cache session cookies when a user is autocreated, which allows remote attackers to authenticate as the created user.

Timeline

dates in UTC

2020-02-0615:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2013-4572?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2013-4572?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Mediawiki

Branch	Affected	Fixed in	Source
1.21	≥ 1.21, < 1.21.3	1.21.3	NVD
1.20	≥ 1.20, < 1.20.8	1.20.8	NVD
1.19	< 1.19.9	1.19.9	NVD

Fedoraproject fedora

Branch	Affected	Fixed in	Source
18.x	= 18	no fix published	NVD
19.x	= 19	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Mediawiki to 1.21.3 · 1.20.8 · 1.19.9

Advisories and patches

bugzilla.wikimedia.orgPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-384read 2026-10-23
FIRST EPSSEPSS score2.1 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published: 2020-02-06
Last Modified: 2026-06-16
NVD status: Modified

Frequently asked questions

What is CVE-2013-4572?

Is CVE-2013-4572 actively exploited?

Active exploitation of CVE-2013-4572 has not been confirmed. Its EPSS score was 2.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2013-4572?

CVE-2013-4572 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

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