How severe is CVE-2025-5512?

CVE-2025-5512 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-5512 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5512?

CVE-2025-5512 affects Quequnlong Shiyi-blog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-5512?

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.

Does CVE-2025-5512 have an EU (EUVD) identifier?

Yes. CVE-2025-5512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16773.

When was CVE-2025-5512 published?

CVE-2025-5512 was published on 2025-06-03 and last updated on 2026-06-17.

CVE-2025-5512

CVE-2025-5512 is a high-severity vulnerability in Quequnlong Shiyi-blog with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 6.9
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16773
Weakness: CWE-287
Affected product: Quequnlong Shiyi-blog
Published: 2025-06-03
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, was found in quequnlong shiyi-blog up to 1.2.1. Affected is an unknown function of the file /api/sys/user/verifyPassword/ of the component Administrator Backend. The manipulation leads to improper authentication. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-5512?: A vulnerability, which was classified as critical, was found in quequnlong shiyi-blog up to 1.2.1. Affected is an unknown function of the file /api/sys/user/verifyPassword/ of the component Administrator Backend. The manipulation leads to improper authentication. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-5512?: CVE-2025-5512 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-5512 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5512?: CVE-2025-5512 affects Quequnlong Shiyi-blog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-5512?: 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.
Does CVE-2025-5512 have an EU (EUVD) identifier?: Yes. CVE-2025-5512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16773.
When was CVE-2025-5512 published?: CVE-2025-5512 was published on 2025-06-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:quequnlong:shiyi-blog:*:*:*:*:*:*:*:*

More vulnerabilities in Quequnlong Shiyi-blog

CVE-2025-12305 — Medium (CVSS 6.3): A vulnerability was found in quequnlong shiyi-blog up to 1.2.1. This impacts an unknown function of the file…
CVE-2025-5510 — Medium (CVSS 6.3): A vulnerability classified as critical was found in quequnlong shiyi-blog up to 1.2.1. This vulnerability affects…
CVE-2025-5509 — Medium (CVSS 6.3): A vulnerability classified as critical has been found in quequnlong shiyi-blog up to 1.2.1. This affects an unknown…
CVE-2025-5511 — Medium (CVSS 5.3): A vulnerability, which was classified as critical, has been found in quequnlong shiyi-blog up to 1.2.1. This issue…
CVE-2025-5513 — Low (CVSS 3.5): A vulnerability has been found in quequnlong shiyi-blog up to 1.2.1 and classified as problematic. Affected by this…

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Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
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CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →