Auth bypass in Aioseo All In One Seo
CVE-2021-25036
The All in One SEO WordPress plugin before 4.1.5.3 is affected by a Privilege Escalation issue, which was discovered during an internal audit by the Jetpack Scan team, and may grant bad actors access to protected REST API endpoints they shouldn’t have access to. This could ultimately enable users with low-privileged accounts, like subscribers, to perform remote code execution on affected sites.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.030 (87.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000
Affected products
- Aioseo All In One Seo
- All In One Seo – Best WordPress Plugin Easily Improve Rankings & Increase Traffic — versions 4.1.3.1, 4.1.5.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/6de4a7de-6b71-4349-8e52-04c89c5e6d6c (Exploit, Third Party Advisory)
- jetpack.com/2021/12/14/severe-vulnerabilities-fixed-in-all-in-one-seo-plugin-ve… (Exploit, Third Party Advisory)
- plugins.trac.wordpress.org/changeset/2640944/all-in-one-seo-pack/trunk/app/Comm… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-25036?
- CVE-2021-25036 is a high-severity vulnerability in Aioseo All In One Seo, classified under Improper Authentication. CVSS score: 8.8/10. Published 2022-01-17.
- How severe is CVE-2021-25036?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-25036 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.