Like Button Rating < 2.6.38 - Unauthorised Vote Export to Email & IP Addresses Disclosure

published 2021-12-13 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11857

cvss: 8.0; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits: 0; none known

The Like Button Rating ♥ LikeBtn WordPress plugin before 2.6.38 does not have any authorisation and CSRF checks in the likebtn_export_votes AJAX action, which could allow any authenticated user, such as subscriber, to get a list of email and IP addresses of people who liked content from the blog.

Patch / fix

fixed in 1

likebtn like_button_rating 2.6.38

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wpscan.com https://wpscan.com/vulnerability/d7618061-a7fa-4da4-9384-be19bc5e8548 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.0	AV:N/AC:M/Au:S/C:P/I:P/A:P

Affected products

Unknown Like Button Rating ♥ LikeBtn

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-352 Cross-Site Request Forgery

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/d7618061-a7fa-4da4-9384-be19bc5e8548
exploit, third-party-advisory

Sources

CVE List CVE-2021-24945
NVD CVE-2021-24945

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