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CVE-2018-0504

Information disclosure in Special:Redirect/logid

6.5 MediumFix available

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

2.88%Up 1.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid

Record
CVE-2018-0504
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness
CWE-532
Updated
2026-11-02
CVE List No score

Information disclosure in Special:Redirect/logid

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid

Record
CVE-2018-0504
Updated
2026-11-02
EUVDEUVD-2022-4203 No score

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid

Record
EUVD-2022-4203
Updated
2026-11-03
GitHub AdvisoriesGHSA-hr8v-f4g2-p66f 6.5

Mediawiki information disclosure vulnerability

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid

Record
GHSA-hr8v-f4g2-p66f
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-532
Updated
2026-11-02
OSV 6.5

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid

Record
CVE-2018-0504
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2018-0504 6.5

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid

Record
DEBIAN-CVE-2018-0504
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
Show 5 moreShow less
OSVGHSA-hr8v-f4g2-p66f 6.5

Mediawiki information disclosure vulnerability

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid

Record
GHSA-hr8v-f4g2-p66f
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-532
Updated
2026-11-02
OSVRHSA-2019:3238 5.3

Red Hat Security Advisory: OpenShift Container Platform 3.10 mediawiki security update

Record
RHSA-2019:3238
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVRHSA-2019:3813 5.3

Red Hat Security Advisory: OpenShift Container Platform 3.9 mediawiki123 security update

Record
RHSA-2019:3813
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2018-0504 6.5

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid

Record
UBUNTU-CVE-2018-0504
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVMGASA-2018-0433 No score

Updated mediawiki packages fix security vulnerabilities

Updated mediawiki packages fix security vulnerabilities:

'$wgRateLimits' entry for 'user' overrides 'newbie' (CVE-2018-0503).

When a log event is (partially) hidden Special:Redirect/logid can link to the incorrect log and reveal hidden information (CVE-2018-0504).

BotPasswords can bypass CentralAuth's account lock (CVE-2018-0505).

Record
MGASA-2018-0433
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mediawiki/core
Packagist
 1.27.0 up to 1.27.5
1.27.5
mediawiki/core
Packagist
 1.29.0 up to 1.29.3
1.29.3
mediawiki/core
Packagist
 1.30.0 up to 1.30.1
1.30.1
mediawiki/core
Packagist
 1.31.0 up to 1.31.1
1.31.1
mediawiki
Debian:12
 before 1:1.31.1-1
1:1.31.1-1
mediawiki
Debian:13
 before 1:1.31.1-1
1:1.31.1-1
mediawiki
Debian:14
 before 1:1.31.1-1
1:1.31.1-1
mediawiki
Debian:9
From an advisory covering 3 CVEs
 before 1:1.27.5-1~deb9u1, plus listed versions
1:1.27.3-11:1.27.4-11:1.27.4-1~bpo8+11:1.27.4-1~deb9u11:1.27.4-21:1.27.4-3
1:1.27.5-1~deb9u1
mediawiki/core
Packagist
 1.27.0 up to 1.27.5, plus listed versions
1.27.11.27.21.27.31.27.4
1.27.5
mediawiki/core
Packagist
 1.29.0 up to 1.29.3, plus listed versions
1.29.11.29.2
1.29.3
Show 6 moreShow less
Affected packages
PackageAffectedFixed
mediawiki
Mageia:6
From an advisory covering 3 CVEs
 before 1.27.5-1.mga6
1.27.5-1.mga6
mediawiki
Red Hat:openshift:3.10::el7
From an advisory covering 3 CVEs
 before 0:1.27.7-1.el7
0:1.27.7-1.el7
mediawiki-doc
Red Hat:openshift:3.10::el7
From an advisory covering 3 CVEs
 before 0:1.27.7-1.el7
0:1.27.7-1.el7
mediawiki123
Red Hat:openshift:3.9::el7
From an advisory covering 3 CVEs
 before 0:1.23.17-1.el7
0:1.23.17-1.el7
mediawiki123-doc
Red Hat:openshift:3.9::el7
From an advisory covering 3 CVEs
 before 0:1.23.17-1.el7
0:1.23.17-1.el7
mediawiki
Ubuntu:18.04:LTS
 All versions, plus listed versions
1:1.27.3-11:1.27.4-11:1.27.4-21:1.27.4-3
 None known

History

History
RecordedChangedSources
affected, facts
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-0504 is a medium vulnerability (CVSS 6.5) in Mediawiki, published September 22, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.88%, the 86th percentile. Fixed in mediawiki/core 1.27.5.

References

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