CSRF in Adambard Link Optimizer Lite

CVE-2022-2540

The Link Optimizer Lite plugin for WordPress is vulnerable to Cross-Site Request Forgery to Cross-Site Scripting in versions up to, and including 1.4.5. This is due to missing nonce validation on the admin_page function found in the ~/admin.php file. This makes it possible for unauthenticated attackers to modify the plugin's settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.006 (43.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-2540?
CVE-2022-2540 is a high-severity vulnerability in Adambard Link Optimizer Lite, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2022-09-06.
How severe is CVE-2022-2540?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-2540 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.