What is CVE-2018-17884?

CVE-2018-17884 is a medium-severity vulnerability in Gwolle Guestbook Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-10-02.

How severe is CVE-2018-17884?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2018-17884 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Gwolle Guestbook Project

CVE-2018-17884

XSS exists in admin/gb-dashboard-widget.php in the Gwolle Guestbook (gwolle-gb) plugin before 2.5.4 for WordPress via the PATH_INFO to wp-admin/index.php

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-10-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.4th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Gwolle Guestbook Project

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

seclists.org/bugtraq/2018/Jul/74 (Exploit, Mailing List, Third Party Advisory)
www.defensecode.com/advisories/DC-2018-05-008_WordPress_Gwolle_Guestbook_Plugin… (Exploit, Third Party Advisory)
wordpress.org/plugins/gwolle-gb/ (Third Party Advisory)

Frequently asked questions

What is CVE-2018-17884?: CVE-2018-17884 is a medium-severity vulnerability in Gwolle Guestbook Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-10-02.
How severe is CVE-2018-17884?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2018-17884 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.