(1) ApiBlock.php, (2) ApiCreateAccount.php, (3) ApiLogin.php, (4) ApiMain.php, (5) ApiQueryDeletedrevs.php, (6) ApiTokens.php, and (7) ApiUnblock.php in includes/api/ in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 allow remote attackers to obtain CSRF tokens and bypass the cross-site request forgery (CSRF) protection mechanism via a JSONP request to wiki/api.php
Published Oct 27, 2013
5.0
MEDIUMCVSS 2.0
EPSS 1.99%
Description
(1) ApiBlock.php, (2) ApiCreateAccount.php, (3) ApiLogin.php, (4) ApiMain.php, (5) ApiQueryDeletedrevs.php, (6) ApiTokens.php, and (7) ApiUnblock.php in includes/api/ in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 allow remote attackers to obtain CSRF tokens and bypass the cross-site request forgery (CSRF) protection mechanism via a JSONP request to wiki/api.php.
Affected products
No data.
- 1.19.0
- 1.19.1
- 1.19.2
- 1.19.3
- 1.19.4
- 1.19.5
- 1.19.6
- 1.19.7
- 1.20
- 1.20.1
- 1.20.2
- 1.20.3
- 1.20.4
- 1.20.5
- 1.20.6
- 1.21
- 1.21.1
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: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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.99% (0.01992) | 79.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.99% (0.01992) | 78.00th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.68% (0.00681) | 69.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.55% (0.00546) | 78.18th | v3 (v2023.03.01) |
| May 3, 2024 | 0.77% (0.00774) | 81.18th | v3 (v2023.03.01) |
| Sep 8, 2023 | 0.77% (0.00774) | 79.11th | v3 (v2023.03.01) |
| Jun 8, 2023 | 0.55% (0.00546) | 74.19th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.54% (0.00537) | 73.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (10)
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html mailing-listx_refsource_MLISTPatch
- http://osvdb.org/96912 vdb-entryx_refsource_OSVDB
- http://seclists.org/oss-sec/2013/q3/553 mailing-listx_refsource_MLISTPatch
- http://secunia.com/advisories/54715 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.debian.org/security/2013/dsa-2753 vendor-advisoryx_refsource_DEBIAN
- https://bugzilla.wikimedia.org/show_bug.cgi?id=49090 x_refsource_CONFIRMPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/86896 vdb-entryx_refsource_XF
- https://www.mediawiki.org/wiki/Release_notes/1.19 x_refsource_CONFIRM
- https://www.mediawiki.org/wiki/Release_notes/1.20 x_refsource_CONFIRM
- https://www.mediawiki.org/wiki/Release_notes/1.21 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html | mailing-listx_refsource_MLISTPatch | |
| http://osvdb.org/96912 | vdb-entryx_refsource_OSVDB | |
| http://seclists.org/oss-sec/2013/q3/553 | mailing-listx_refsource_MLISTPatch | |
| http://secunia.com/advisories/54715 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.debian.org/security/2013/dsa-2753 | vendor-advisoryx_refsource_DEBIAN | |
| https://bugzilla.wikimedia.org/show_bug.cgi?id=49090 | x_refsource_CONFIRMPatch | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/86896 | vdb-entryx_refsource_XF | |
| https://www.mediawiki.org/wiki/Release_notes/1.19 | x_refsource_CONFIRM | |
| https://www.mediawiki.org/wiki/Release_notes/1.20 | x_refsource_CONFIRM | |
| https://www.mediawiki.org/wiki/Release_notes/1.21 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.