How severe is CVE-2018-18069?

CVE-2018-18069 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-2018-18069 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18069?

CVE-2018-18069 affects Wpml. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18069?

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

When was CVE-2018-18069 published?

CVE-2018-18069 was published on 2018-10-08 and last updated on 2026-06-17.

CVE-2018-18069

CVE-2018-18069 is a medium-severity vulnerability in Wpml with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. 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: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wpml
Published: 2018-10-08
Last modified: 2026-06-17

Description

process_forms in the WPML (aka sitepress-multilingual-cms) plugin through 3.6.3 for WordPress has XSS via any locale_file_name_ parameter (such as locale_file_name_en) in an authenticated theme-localization.php request to wp-admin/admin.php.

Frequently asked questions

What is CVE-2018-18069?: process_forms in the WPML (aka sitepress-multilingual-cms) plugin through 3.6.3 for WordPress has XSS via any locale_file_name_ parameter (such as locale_file_name_en) in an authenticated theme-localization.php request to wp-admin/admin.php.
How severe is CVE-2018-18069?: CVE-2018-18069 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-2018-18069 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18069?: CVE-2018-18069 affects Wpml. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18069?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18069 published?: CVE-2018-18069 was published on 2018-10-08 and last updated on 2026-06-17.

References

https://0x62626262.wordpress.com/2018/10/08/sitepress-multilingual-cms-plugin-unauthenticated-stored-xss/

Affected products (1)

cpe:2.3:a:wpml:wpml:*:*:*:*:*:wordpress:*:*

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