How severe is CVE-2018-11366?

CVE-2018-11366 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-11366 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11366?

CVE-2018-11366 primarily affects Loginizer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11366?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-11366 published?

CVE-2018-11366 was published on 2018-05-22 and last updated on 2026-06-17.

CVE-2018-11366

CVE-2018-11366 is a medium-severity vulnerability in Loginizer with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Loginizer
Published: 2018-05-22
Last modified: 2026-06-17

Description

init.php in the Loginizer plugin 1.3.8 through 1.3.9 for WordPress has Unauthenticated Stored Cross-Site Scripting (XSS) because logging is mishandled. This is fixed in 1.4.0.

Frequently asked questions

What is CVE-2018-11366?: init.php in the Loginizer plugin 1.3.8 through 1.3.9 for WordPress has Unauthenticated Stored Cross-Site Scripting (XSS) because logging is mishandled. This is fixed in 1.4.0.
How severe is CVE-2018-11366?: CVE-2018-11366 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-11366 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11366?: CVE-2018-11366 primarily affects Loginizer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11366?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-11366 published?: CVE-2018-11366 was published on 2018-05-22 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:loginizer:loginizer:1.3.8:*:*:*:*:wordpress:*:*
cpe:2.3:a:loginizer:loginizer:1.3.9:*:*:*:*:wordpress:*:*

More vulnerabilities in Loginizer

CVE-2020-27615 — Critical (CVSS 9.8): The Loginizer plugin before 1.6.4 for WordPress allows SQL injection (with resultant XSS), related to…
CVE-2017-12650 — Critical (CVSS 9.8): SQL Injection exists in the Loginizer plugin before 1.3.6 for WordPress via the X-Forwarded-For HTTP header.
CVE-2017-12651 — High (CVSS 8.8): Cross Site Request Forgery (CSRF) exists in the Blacklist and Whitelist IP Wizard in init.php in the Loginizer plugin…
CVE-2024-10097 — High (CVSS 8.1): The Loginizer Security and Loginizer plugins for WordPress are vulnerable to authentication bypass in all versions up…
CVE-2022-45084 — Medium (CVSS 6.3): Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Softaculous Loginizer plugin <= 1.7.5 versions.
CVE-2023-2296 — Medium (CVSS 6.1): The Loginizer WordPress plugin before 1.7.9 does not escape a parameter before outputting it back in the page, leading…

All CVEs affecting Loginizer →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →