Auth bypass in Wpo365 WordPress \+ Azure Ad \/ Microsoft Office 365
CVE-2020-26511
The wpo365-login plugin before v11.7 for WordPress allows use of a symmetric algorithm to decrypt a JWT token. This leads to authentication bypass.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.021 (81.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wpo365.com/change-log/ (Release Notes, Vendor Advisory)
- plugins.trac.wordpress.org/changeset/2388992/ (Patch, Third Party Advisory)
- wordpress.org/plugins/wpo365-login/ (Product, Third Party Advisory)
- wpvulndb.com/vulnerabilities/10418 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-26511?
- CVE-2020-26511 is a high-severity vulnerability in Wpo365 WordPress \+ Azure Ad \/ Microsoft Office 365, classified under Improper Authentication. CVSS score: 7.5/10. Published 2020-10-02.
- How severe is CVE-2020-26511?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-26511 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.