Every CVE Search/ Get API key

CVE-2018-0505

BotPasswords can bypass CentralAuth's account lock

6.5 MediumFix available

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where BotPasswords can bypass CentralAuth's account lock

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
None
Integrity
High
Availability
None

Exploit likelihood

1.97%Up 0.3 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 a flaw where BotPasswords can bypass CentralAuth's account lock

Record
CVE-2018-0505
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:N/I:P/A:N
Weakness
CWE-287
Updated
2026-11-02
CVE List No score

BotPasswords can bypass CentralAuth's account lock

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where BotPasswords can bypass CentralAuth's account lock

Record
CVE-2018-0505
Updated
2026-11-02
EUVDEUVD-2022-2560 No score

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where BotPasswords can bypass CentralAuth's account lock

Record
EUVD-2022-2560
Updated
2026-11-03
GitHub AdvisoriesGHSA-5c6w-f4w2-2grp 6.5

Mediawiki BotPassword can bypass CentralAuth's account lock

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where BotPasswords can bypass CentralAuth's account lock

Record
GHSA-5c6w-f4w2-2grp
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-287
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 a flaw where BotPasswords can bypass CentralAuth's account lock

Record
CVE-2018-0505
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2018-0505 6.5

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where BotPasswords can bypass CentralAuth's account lock

Record
DEBIAN-CVE-2018-0505
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
Show 6 moreShow less
OSVGHSA-5c6w-f4w2-2grp 6.5

Mediawiki BotPassword can bypass CentralAuth's account lock

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where BotPasswords can bypass CentralAuth's account lock

Record
GHSA-5c6w-f4w2-2grp
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-287
Updated
2026-11-02
OSVRHSA-2019:3142 5.3

Red Hat Security Advisory: OpenShift Container Platform 3.11 mediawiki security update

Record
RHSA-2019:3142
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-2019:3238 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-2018-0505 6.5

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where BotPasswords can bypass CentralAuth's account lock

Record
UBUNTU-CVE-2018-0505
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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 8 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:3.11::el7
From an advisory covering 2 CVEs
 before 0:1.27.7-1.el7
0:1.27.7-1.el7
mediawiki-doc
Red Hat:openshift:3.11::el7
From an advisory covering 2 CVEs
 before 0:1.27.7-1.el7
0:1.27.7-1.el7
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-2018-0505 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 1.97%, the 80th percentile. Fixed in mediawiki/core 1.27.5.

References

Show 25 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open