MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1, when $wgBlockDisablesLogin is true, might allow remote attackers to obtain sensitive information by leveraging failure to terminate sessions when a user account is blocked
Published Apr 20, 2017
7.5
HIGHCVSS 3.0
EPSS 1.55%
Description
MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1, when $wgBlockDisablesLogin is true, might allow remote attackers to obtain sensitive information by leveraging failure to terminate sessions when a user account is blocked.
Affected products
No data.
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.55% (0.01547) | 74.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.55% (0.01547) | 71.69th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.20% (0.00199) | 39.84th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.30% (0.00297) | 70.21th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00297) | 68.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00297) | 64.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (3)
- https://bugzilla.redhat.com/show_bug.cgi?id=1369613 x_refsource_CONFIRMIssue Tracking
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html mailing-listx_refsource_MLISTMailing ListPatchVendor Advisory
- https://phabricator.wikimedia.org/T129738 x_refsource_CONFIRMPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1369613 | x_refsource_CONFIRMIssue Tracking | |
| https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html | mailing-listx_refsource_MLISTMailing ListPatchVendor Advisory | |
| https://phabricator.wikimedia.org/T129738 | x_refsource_CONFIRMPatchThird Party Advisory |
Change history (0)
No recorded changes yet.