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 sh…

Vulnerability class: Broken Authentication

EPSS: 0.030 (85.8th percentile) — read the EPSS interpretation.

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.

Affected products

  • Aioseo All_in_one_seo
  • Unknown 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

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.