CVE-2020-26876
HighExploitedThe wp-courses plugin through 2.0.27 for WordPress allows remote attackers to bypass the intended payment step (for course videos and materials) by using the /wp-json REST API, as exploited in the wild in September 2020.
Published Oct 7, 2020 · Updated Nov 21, 2024 · Also known as b0bce89d-6b1d-4e7f-bd7f-6143a3b622de
Key Facts
Patch immediately- CVE-2020-26876 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Wp-Courses (Wpcoursesplugin).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 7, 2020. No public exploit code is known.
- EPSS estimates a 11% probability of exploitation in the next 30 days.
- Fixed versions are available, including Wp-Courses 2.0.29, Wp-Courses <=2.0.27, Wp-Courses 2.0.27.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
11%
Higher than 95.7% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
None known
Get the full CVE-2020-26876 brief as a PDF
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Description
The wp-courses plugin through 2.0.27 for WordPress allows remote attackers to bypass the intended payment step (for course videos and materials) by using the /wp-json REST API, as exploited in the wild in September 2020. This occurs because show_in_rest is enabled for custom post types (e.g., /wp-json/wp/v2/course and /wp-json/wp/v2/lesson exist).
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Oct 7, 2020 | n/a | Not reported |
| CIRCL KEV | Oct 7, 2020 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Wp-CoursesWpcoursesplugin | See advisory | 2.0.27 |
Patched Releases
Wp-Courses
2.0.29, <=2.0.27
Timeline
Publicly disclosed
Oct 7, 2020
Added to Industry KEV feed
Oct 7, 2020
Added to CIRCL KEV
Oct 7, 2020
Last updated
Nov 21, 2024
Weakness Type
- CWE-284 Improper Access Control
- CWE-306 Missing Authentication for Critical Function
References
- advisoryhttps://plugins.trac.wordpress.org/changeset/2388997
- advisoryhttps://plugins.trac.wordpress.org/changeset/2389243
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/b0bce89d-6b1d-4e7f-bd7f-6143a3b622de?source=api-prod
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/b0bce89d-6b1d-4e7f-bd7f-6143a3b622de?source=api-scan
- exploitVulnCheck exploitation report
FAQ
Common Questions.
The wp-courses plugin through 2.0.27 for WordPress allows remote attackers to bypass the intended payment step (for course videos and materials) by using the /wp-json REST API, as exploited in the wild in September 2020.
Affected: Wp-Courses (Wpcoursesplugin). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 7, 2020.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Wp-Courses 2.0.29, Wp-Courses <=2.0.27, Wp-Courses 2.0.27.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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