How severe is CVE-2026-3075?

CVE-2026-3075 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-3075 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-2026-3075?

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

Does CVE-2026-3075 have an EU (EUVD) identifier?

Yes. CVE-2026-3075 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7492.

When was CVE-2026-3075 published?

CVE-2026-3075 was published on 2026-02-23 and last updated on 2026-06-17.

CVE-2026-3075

CVE-2026-3075 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-497.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7492
Weakness: CWE-497
Published: 2026-02-23
Last modified: 2026-06-17

Description

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Jeff Starr Simple Ajax Chat simple-ajax-chat allows Retrieve Embedded Sensitive Data.This issue affects Simple Ajax Chat: from n/a through <= 20251121.

Frequently asked questions

What is CVE-2026-3075?: Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Jeff Starr Simple Ajax Chat simple-ajax-chat allows Retrieve Embedded Sensitive Data.This issue affects Simple Ajax Chat: from n/a through <= 20251121.
How severe is CVE-2026-3075?: CVE-2026-3075 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-3075 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-2026-3075?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3075 have an EU (EUVD) identifier?: Yes. CVE-2026-3075 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7492.
When was CVE-2026-3075 published?: CVE-2026-3075 was published on 2026-02-23 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/simple-ajax-chat/vulnerability/wordpress-simple-ajax-chat-plugin-20251121-sensitive-data-exposure-vulnerability?_s_id=cve

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