How severe is CVE-2026-48877?

CVE-2026-48877 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-48877 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-48877?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-48877 have an EU (EUVD) identifier?

Yes. CVE-2026-48877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32154.

When was CVE-2026-48877 published?

CVE-2026-48877 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-48877

CVE-2026-48877 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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-201.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32154
Weakness: CWE-201
Published: 2026-05-27
Last modified: 2026-06-17

Description

Insertion of Sensitive Information Into Sent Data vulnerability in Tom GenerateBlocks allows Retrieve Embedded Sensitive Data. This issue affects GenerateBlocks: from n/a through 2.1.0.

Frequently asked questions

What is CVE-2026-48877?: Insertion of Sensitive Information Into Sent Data vulnerability in Tom GenerateBlocks allows Retrieve Embedded Sensitive Data. This issue affects GenerateBlocks: from n/a through 2.1.0.
How severe is CVE-2026-48877?: CVE-2026-48877 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-48877 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-48877?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-48877 have an EU (EUVD) identifier?: Yes. CVE-2026-48877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32154.
When was CVE-2026-48877 published?: CVE-2026-48877 was published on 2026-05-27 and last updated on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/generateblocks/vulnerability/wordpress-generateblocks-plugin-2-1-0-sensitive-data-exposure-vulnerability?_s_id=cve

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