The zendesk-help-center plugin before 1.0.5 for WordPress has multiple XSS issues.

published 2019-08-16 7y ago modified 2026-06-17 4mo ago also EUVD-2017-9658

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits: 0; none known, plus a Nuclei check

Patch / fix

fixed in 1

bestwebsoft zendesk_help_center 1.0.5

Is CVE-2017-18542 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

Nuclei template Zendesk Help Center by BestWebSoft < 1.0.5 - Cross-Site Scripting nuclei detection template

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

wordpress.org /plugins/zendesk-help-center/#developers
issue-tracking, third-party-advisory

Sources

CVE List CVE-2017-18542
NVD CVE-2017-18542

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.