WordPress Fancy Comments WordPress plugin <= 1.2.21 - Cross Site Scripting (XSS) vulnerability

published 2026-10-17 22 d ago modified 2026-10-19 20 d ago also EUVD-2026-103273

cvss: 7.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Heateor Support Fancy Comments WordPress fancy-facebook-comments allows Reflected XSS.This issue affects Fancy Comments WordPress: from n/a through 1.2.21.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 21 d ago (2026-10-18)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected products

Heateor Support Fancy Comments WordPress

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

patchstack.com /database/wordpress/plugin/fancy-facebook-comments/vulnerability/wordpress-fancy-comments-wordpress-plugin-1-2
vdb-entry

Sources

CVE List CVE-2026-110384
NVD CVE-2026-110384

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Summary