How severe is CVE-2017-18545?

CVE-2017-18545 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-18545 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18545?

CVE-2017-18545 affects Invite Anyone Project Invite Anyone. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18545?

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-2017-18545 published?

CVE-2017-18545 was published on 2019-08-16 and last updated on 2026-06-17.

CVE-2017-18545

CVE-2017-18545 is a high-severity vulnerability in Invite Anyone Project Invite Anyone with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Invite Anyone Project Invite Anyone
Published: 2019-08-16
Last modified: 2026-06-17

Description

The invite-anyone plugin before 1.3.16 for WordPress has incorrect escaping of untrusted Dashboard and front-end input.

Frequently asked questions

What is CVE-2017-18545?: The invite-anyone plugin before 1.3.16 for WordPress has incorrect escaping of untrusted Dashboard and front-end input.
How severe is CVE-2017-18545?: CVE-2017-18545 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-18545 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18545?: CVE-2017-18545 affects Invite Anyone Project Invite Anyone. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18545?: 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-2017-18545 published?: CVE-2017-18545 was published on 2019-08-16 and last updated on 2026-06-17.

References

https://wordpress.org/plugins/invite-anyone/#developers

Affected products (1)

cpe:2.3:a:invite_anyone_project:invite_anyone:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Invite Anyone Project Invite Anyone

CVE-2017-18543 — Critical (CVSS 9.8): The invite-anyone plugin before 1.3.16 for WordPress has incorrect access control for email-based invitations.
CVE-2017-18544 — High (CVSS 8.8): The invite-anyone plugin before 1.3.16 for WordPress has admin-panel CSRF.

All CVEs affecting Invite Anyone Project Invite Anyone →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →