CVE-2025-15489: medium-severity vulnerability in Passster
Passster < 4.2.24 - Password Protection Bypass
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.3%
The Passster WordPress plugin before 4.2.24 does not handle input properly in an AJAX action, allowing unauthenticated users to retrieve the value of password protected content
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Unknown · Passsterpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/b1b4f64a-5bff-486e-a3e5-e71b5ca28d78/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Passster
In the same product, most dangerous first.
CVE-2021-24881HIGHPassster < 3.5.5.9 - Protection Bypass & Arbitrary Post AccessEPSS 0.8%CVE-2022-3206MEDIUMPassster < 3.5.5.5.2 - Insecure Storage of PasswordEPSS 0.6%CVE-2026-16604HIGHContent Protector (Passster) < 4.3.6 - Unauthenticated Protected Content Disclosure via Content-Lock Block data-content AttributeEPSS 0.4%CVE-2026-16603HIGHContent Protector (Passster) < 4.3.6 - Unauthenticated Category-Locked Content Disclosure via Core REST APIEPSS 0.4%CVE-2026-16602HIGHContent Protector (Passster) < 4.3.6 - Unauthenticated Non-Public Post Content Disclosure via Captcha REST EndpointEPSS 0.4%CVE-2021-24837—Passster < 3.5.5.8 - Contributor+ Stored Cross-Site ScriptingEPSS 0.4%