Passster – Password Protect Pages and Content <= 4.2.6.2 - Missing Authorization to Sensitive Information Exposure

published 2024-02-20 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-16409

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits: 0; none known

The Passster – Password Protect Pages and Content plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.2.6.2 via API. This makes it possible for unauthenticated attackers to obtain post titles, slugs, IDs, content and other metadata including passwords of password-protected posts and pages.

Patch / fix

fixed in 2 links 1

passster_project passter 4.2.6.3
wpchill passster 4.2.6.3

plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3032195%40co… patch

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-02-29)

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

wpchill Passster – Password Protect Pages and Content

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Technology feeds

WordPress rss critical rss

References

Sources

CVE List CVE-2024-0616
NVD CVE-2024-0616

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary