WordPress WP Flipclock Plugin <= 1.7.4 is vulnerable to Cross Site Scripting (XSS)

published 2023-03-23 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27814

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits: 0; none known

Auth. (contributor+) Cross-Site Scripting (XSS) vulnerability in Winwar Media WP Flipclock plugin <= 1.7.4 versions.

Patch / fix

fixed in 1

Winwar Media WP Flipclock 1.8

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 20 mo ago (2025-02-19)

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

Winwar Media WP Flipclock

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/vulnerability/wp-flipclock/wordpress-wp-flipclock-plugin-1-7-4-cross-site-scripting-xss-vulnerabilit
vdb-entry, third-party-advisory

Sources

CVE List CVE-2023-23728
NVD CVE-2023-23728

Fencer Vulns 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.

Summary