How severe is CVE-2022-2540?

CVE-2022-2540 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-2540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2540?

CVE-2022-2540 affects Link Optimizer Lite Project Link Optimizer Lite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-2540?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-2540 published?

CVE-2022-2540 was published on 2022-09-06 and last updated on 2026-06-17.

CVE-2022-2540

CVE-2022-2540 is a high-severity vulnerability in Link Optimizer Lite Project Link Optimizer Lite with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Link Optimizer Lite Project Link Optimizer Lite
Published: 2022-09-06
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2022-2540?: CVE-2022-2540 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-2540 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2540?: CVE-2022-2540 affects Link Optimizer Lite Project Link Optimizer Lite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2540?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-2540 published?: CVE-2022-2540 was published on 2022-09-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:link_optimizer_lite_project:link_optimizer_lite:*:*:*:*:*:wordpress:*:*

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