How severe is CVE-2021-24917?

CVE-2021-24917 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-24917 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24917?

CVE-2021-24917 affects Wpserveur Wps Hide Login. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24917?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-24917 published?

CVE-2021-24917 was published on 2021-12-06 and last updated on 2026-06-17.

CVE-2021-24917

CVE-2021-24917 is a high-severity vulnerability in Wpserveur Wps Hide Login with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 72% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 72% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Wpserveur Wps Hide Login
Published: 2021-12-06
Last modified: 2026-06-17

Description

The WPS Hide Login WordPress plugin before 1.9.1 has a bug which allows to get the secret login page by setting a random referer string and making a request to /wp-admin/options.php as an unauthenticated user.

Frequently asked questions

What is CVE-2021-24917?: The WPS Hide Login WordPress plugin before 1.9.1 has a bug which allows to get the secret login page by setting a random referer string and making a request to /wp-admin/options.php as an unauthenticated user.
How severe is CVE-2021-24917?: CVE-2021-24917 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-24917 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24917?: CVE-2021-24917 affects Wpserveur Wps Hide Login. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24917?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-24917 published?: CVE-2021-24917 was published on 2021-12-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wpserveur:wps_hide_login:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Wpserveur Wps Hide Login

CVE-2019-15826 — Critical (CVSS 9.8): The wps-hide-login plugin before 1.5.3 for WordPress has a protection bypass via wp-login.php in the Referer field.
CVE-2019-15825 — Critical (CVSS 9.8): The wps-hide-login plugin before 1.5.3 for WordPress has an action=rp&key&login protection bypass.
CVE-2019-15824 — Critical (CVSS 9.8): The wps-hide-login plugin before 1.5.3 for WordPress has an adminhash protection bypass.
CVE-2019-15823 — Critical (CVSS 9.8): The wps-hide-login plugin before 1.5.3 for WordPress has an action=confirmaction protection bypass.
CVE-2015-9498 — High (CVSS 8.8): The wps-hide-login plugin before 1.1 for WordPress has CSRF that affects saving an option value.
CVE-2024-6289 — Medium (CVSS 6.1): The WPS Hide Login WordPress plugin before 1.9.16.4 does not prevent redirects to the login page via the auth_redirect…

All CVEs affecting Wpserveur Wps Hide Login →

Other CWE-863 (Incorrect Authorization) vulnerabilities

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →