How severe is CVE-2026-48876?

CVE-2026-48876 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-48876 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-48876?

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-2026-48876 have an EU (EUVD) identifier?

Yes. CVE-2026-48876 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36853.

When was CVE-2026-48876 published?

CVE-2026-48876 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2026-48876

CVE-2026-48876 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. 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-79.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36853
Weakness: CWE-79
Published: 2026-06-15
Last modified: 2026-06-17

Description

Unauthenticated Cross Site Scripting (XSS) in Stop Spammers <= 2026.3 versions.

Frequently asked questions

What is CVE-2026-48876?: Unauthenticated Cross Site Scripting (XSS) in Stop Spammers <= 2026.3 versions.
How severe is CVE-2026-48876?: CVE-2026-48876 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-48876 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-48876?: 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-2026-48876 have an EU (EUVD) identifier?: Yes. CVE-2026-48876 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36853.
When was CVE-2026-48876 published?: CVE-2026-48876 was published on 2026-06-15 and last updated on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/stop-spammer-registrations-plugin/vulnerability/wordpress-stop-spammers-plugin-2026-3-cross-site-scripting-xss-vulnerability?_s_id=cve

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