How severe is CVE-2018-18886?

CVE-2018-18886 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-2018-18886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18886?

CVE-2018-18886 affects Helpy.io Helpy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18886?

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

When was CVE-2018-18886 published?

CVE-2018-18886 was published on 2019-06-18 and last updated on 2026-06-17.

CVE-2018-18886

CVE-2018-18886 is a medium-severity vulnerability in Helpy.io Helpy 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: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Helpy.io Helpy
Published: 2019-06-18
Last modified: 2026-06-17

Description

Helpy v2.1.0 has Stored XSS via the Ticket title.

Frequently asked questions

What is CVE-2018-18886?: Helpy v2.1.0 has Stored XSS via the Ticket title.
How severe is CVE-2018-18886?: CVE-2018-18886 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-2018-18886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18886?: CVE-2018-18886 affects Helpy.io Helpy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18886?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18886 published?: CVE-2018-18886 was published on 2019-06-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:helpy.io:helpy:*:*:*:*:*:*:*:*

More vulnerabilities in Helpy.io Helpy

CVE-2018-20851 — High (CVSS 8.8): Helpy before 2.2.0 allows agents to edit admins.
CVE-2025-52184 — Medium (CVSS 6.1): Cross Site Scripting vulnerability in Helpy.io v.2.8.0 allows a remote attacker to escalate privileges via the New…
CVE-2023-0357 — Medium (CVSS 6.1): Helpy version 2.8.0 allows an unauthenticated remote attacker to exploit an XSS stored in the application. This is…
CVE-2026-40230 — Medium (CVSS 5.4): Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic. An authenticated…
CVE-2026-40229 — Medium (CVSS 5.4): Helpy contains a stored cross-site scripting vulnerability in the post author display logic. Any registered user can…

All CVEs affecting Helpy.io Helpy →

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 →