How severe is CVE-2025-12449?

CVE-2025-12449 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-12449 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-12449?

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

Does CVE-2025-12449 have an EU (EUVD) identifier?

Yes. CVE-2025-12449 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1338.

When was CVE-2025-12449 published?

CVE-2025-12449 was published on 2026-01-07 and last updated on 2026-06-17.

CVE-2025-12449

CVE-2025-12449 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1338
Weakness: CWE-862
Published: 2026-01-07
Last modified: 2026-06-17

Description

The aBlocks – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to unauthorized modification of data and disclosure of sensitive information due to missing capability checks on multiple AJAX actions in all versions up to, and including, 2.4.0. This makes it possible for authenticated attackers, with subscriber level access and above, to read plugin settings including block visibility, maintenance mode configuration, and third-party email marketing API keys, as well as read sensitive configuration data including API keys for email marketing services.

Frequently asked questions

What is CVE-2025-12449?: The aBlocks – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to unauthorized modification of data and disclosure of sensitive information due to missing capability checks on multiple AJAX actions in all versions up to, and including, 2.4.0. This makes it possible for authenticated attackers, with subscriber level access and above, to read plugin settings including block visibility, maintenance mode configuration, and third-party email marketing API keys, as well as read sensitive configuration data including API keys for email marketing services.
How severe is CVE-2025-12449?: CVE-2025-12449 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-12449 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-12449?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12449 have an EU (EUVD) identifier?: Yes. CVE-2025-12449 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1338.
When was CVE-2025-12449 published?: CVE-2025-12449 was published on 2026-01-07 and last updated on 2026-06-17.

References

Other CWE-862 (Missing Authorization) vulnerabilities

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CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.

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