includes/User.php in MediaWiki before 1.19.12, 1.20.x and 1.21.x before 1.21.6, and 1.22.x before 1.22.3 terminates validation of a user token upon encountering the first incorrect character, which makes it easier for remote attackers to obtain access via a brute-force attack that relies on timing differences in responses to incorrect token guesses
Published Mar 2, 2014
5.8
MEDIUMCVSS 2.0
EPSS 1.55%
Description
includes/User.php in MediaWiki before 1.19.12, 1.20.x and 1.21.x before 1.21.6, and 1.22.x before 1.22.3 terminates validation of a user token upon encountering the first incorrect character, which makes it easier for remote attackers to obtain access via a brute-force attack that relies on timing differences in responses to incorrect token guesses.
Affected products
No data.
- ≤ 1.19.11
- 1.1.0
- 1.10.0
- 1.10.0
- 1.10.0
- 1.10.1
- 1.10.2
- 1.10.3
- 1.10.4
- 1.11
- 1.11.0
- 1.11.0
- 1.11.1
- 1.11.2
- 1.12.0
- 1.12.0
- 1.12.1
- 1.12.2
- 1.12.3
- 1.12.4
- 1.13.0
- 1.13.0
- 1.13.0
- 1.13.1
- 1.13.2
- 1.13.3
- 1.13.4
- 1.14.0
- 1.14.0
- 1.14.1
- 1.15.0
- 1.15.0
- 1.15.1
- 1.15.2
- 1.15.3
- 1.15.4
- 1.15.5
- 1.16.0
- 1.16.0
- 1.16.0
- 1.16.0
- 1.16.1
- 1.16.2
- 1.17
- 1.17
- 1.17.0
- 1.17.0
- 1.17.1
- 1.17.2
- 1.17.3
- 1.17.4
- 1.18
- 1.18
- 1.18.0
- 1.18.0
- 1.18.1
- 1.18.2
- 1.18.3
- 1.19
- 1.19
- 1.19
- 1.19.0
- 1.19.1
- 1.19.2
- 1.19.3
- 1.19.4
- 1.19.5
- 1.19.6
- 1.19.7
- 1.19.8
- 1.19.9
- 1.19.10
- 1.20
- 1.20.1
- 1.20.2
- 1.20.3
- 1.20.4
- 1.20.5
- 1.20.6
- 1.20.7
- 1.20.8
- 1.21
- 1.21.1
- 1.21.2
- 1.21.3
- 1.21.4
- 1.21.5
- 1.22.0
- 1.22.1
- 1.22.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.55% (0.01548) | 74.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.54% (0.01541) | 71.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.34% (0.00339) | 54.45th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.55% (0.00553) | 78.31th | v3 (v2023.03.01) |
| Feb 17, 2024 | 0.55% (0.00553) | 76.91th | v3 (v2023.03.01) |
| Oct 12, 2023 | 0.55% (0.00553) | 74.91th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.54% (0.00543) | 73.85th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (6)
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-February/000141.html mailing-listx_refsource_MLISTPatchVendor Advisory
- http://openwall.com/lists/oss-security/2014/02/28/1 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2014/03/01/2 mailing-listx_refsource_MLIST
- https://bugzilla.redhat.com/show_bug.cgi?id=1071136 x_refsource_CONFIRM
- https://bugzilla.wikimedia.org/show_bug.cgi?id=61346 x_refsource_CONFIRMVendor Advisory
- https://gerrit.wikimedia.org/r/#/q/I2a9e89120f7092015495e638c6fa9f67adc9b84f%2Cn%2Cz x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-February/000141.html | mailing-listx_refsource_MLISTPatchVendor Advisory | |
| http://openwall.com/lists/oss-security/2014/02/28/1 | mailing-listx_refsource_MLIST | |
| http://openwall.com/lists/oss-security/2014/03/01/2 | mailing-listx_refsource_MLIST | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1071136 | x_refsource_CONFIRM | |
| https://bugzilla.wikimedia.org/show_bug.cgi?id=61346 | x_refsource_CONFIRMVendor Advisory | |
| https://gerrit.wikimedia.org/r/#/q/I2a9e89120f7092015495e638c6fa9f67adc9b84f%2Cn%2Cz | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.