MEDIUM
Cross-site request forgery (CSRF) vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress before 4.6 allows remote attackers to hijack the authentication of subscribers for /dev/random read operations by leveraging a late call to the check_ajax_referer function, a related issue to CVE-2016-6896
Published Jan 18, 2017
6.5
MEDIUMCVSS 3.0
EPSS 28.82%
Description
Cross-site request forgery (CSRF) vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress before 4.6 allows remote attackers to hijack the authentication of subscribers for /dev/random read operations by leveraging a late call to the check_ajax_referer function, a related issue to CVE-2016-6896.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.5 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
28.82% 0.28820
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.28820
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 28.82% (0.28820) | 98.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 28.26% (0.28258) | 97.86th | v5 (v2026.06.15) |
| Dec 28, 2025 | 30.26% (0.30259) | 96.51th | v4 (v2025.03.14) |
| Dec 27, 2025 | 29.01% (0.29012) | 96.43th | v4 (v2025.03.14) |
| Oct 28, 2025 | 30.26% (0.30259) | 96.45th | v4 (v2025.03.14) |
| Oct 27, 2025 | 29.01% (0.29012) | 96.36th | v4 (v2025.03.14) |
| Oct 1, 2025 | 30.54% (0.30542) | 96.57th | v4 (v2025.03.14) |
| Jul 30, 2025 | 29.01% (0.29012) | 96.38th | v4 (v2025.03.14) |
| Mar 30, 2025 | 30.26% (0.30259) | 96.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 33.28% (0.33278) | 95.19th | v4 (v2025.03.14) |
| Mar 24, 2025 | 30.26% (0.30259) | 96.27th | v4 (v2025.03.14) |
| Mar 23, 2025 | 27.45% (0.27450) | 95.82th | v4 (v2025.03.14) |
| Mar 17, 2025 | 30.26% (0.30259) | 96.28th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.23% (0.00234) | 62.29th | v3 (v2023.03.01) |
| Jun 30, 2024 | 0.23% (0.00234) | 61.68th | v3 (v2023.03.01) |
| Mar 12, 2024 | 0.33% (0.00332) | 70.49th | v3 (v2023.03.01) |
| Jan 31, 2024 | 0.25% (0.00251) | 63.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.33% (0.00332) | 66.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 43.77% (0.43772) | 98.34th | v2 (v2022.01.01) |
| Feb 4, 2022 | 43.77% (0.43772) | 97.68th | v2 (v2022.01.01) |
Weaknesses (1)
References (7)
- http://www.openwall.com/lists/oss-security/2016/08/20/1 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/92572 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1036683 vdb-entryx_refsource_SECTRACK
- https://github.com/WordPress/WordPress/commit/8c82515ab62b88fb32d01c9778f0204b296f3568 x_refsource_CONFIRM
- https://sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_handlers.html x_refsource_MISC
- https://wpvulndb.com/vulnerabilities/8606 x_refsource_MISC
- https://www.exploit-db.com/exploits/40288/ exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/08/20/1 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/92572 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1036683 | vdb-entryx_refsource_SECTRACK | |
| https://github.com/WordPress/WordPress/commit/8c82515ab62b88fb32d01c9778f0204b296f3568 | x_refsource_CONFIRM | |
| https://sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_handlers.html | x_refsource_MISC | |
| https://wpvulndb.com/vulnerabilities/8606 | x_refsource_MISC | |
| https://www.exploit-db.com/exploits/40288/ | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 18, 2017
Updated Aug 6, 2024
Reserved Aug 22, 2016
Link CVE-2016-6897
CISA Vulnrichment
Updated n/a