CVE-2025-15490: medium-severity vulnerability in Passster
Passster < 4.2.26 - Global 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 0.4%
The Passster WordPress plugin before 4.2.26 has a flaw in its global protection checks, allowing unauthenticated users to bypass the protection offered via crafted URLs
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/87d4768e-48a5-4d91-a5e1-8a84ba2de035/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%