How severe is CVE-2025-49901?

CVE-2025-49901 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-49901 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-49901?

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

Does CVE-2025-49901 have an EU (EUVD) identifier?

Yes. CVE-2025-49901 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35550.

When was CVE-2025-49901 published?

CVE-2025-49901 was published on 2025-10-22 and last updated on 2026-06-17.

CVE-2025-49901

CVE-2025-49901 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-288.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-35550
Weakness: CWE-288
Published: 2025-10-22
Last modified: 2026-06-17

Description

Authentication Bypass Using an Alternate Path or Channel vulnerability in quantumcloud Simple Link Directory qc-simple-link-directory allows Authentication Abuse.This issue affects Simple Link Directory: from n/a through < 14.8.1.

Frequently asked questions

What is CVE-2025-49901?: Authentication Bypass Using an Alternate Path or Channel vulnerability in quantumcloud Simple Link Directory qc-simple-link-directory allows Authentication Abuse.This issue affects Simple Link Directory: from n/a through < 14.8.1.
How severe is CVE-2025-49901?: CVE-2025-49901 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-49901 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-49901?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-49901 have an EU (EUVD) identifier?: Yes. CVE-2025-49901 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35550.
When was CVE-2025-49901 published?: CVE-2025-49901 was published on 2025-10-22 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/qc-simple-link-directory/vulnerability/wordpress-simple-link-directory-plugin-14-8-1-broken-authentication-vulnerability?_s_id=cve

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