How severe is CVE-2026-3027?

CVE-2026-3027 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-3027 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3027?

CVE-2026-3027 affects Jeewms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3027?

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

Does CVE-2026-3027 have an EU (EUVD) identifier?

Yes. CVE-2026-3027 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7484.

When was CVE-2026-3027 published?

CVE-2026-3027 was published on 2026-02-23 and last updated on 2026-06-17.

CVE-2026-3027

CVE-2026-3027 is a medium-severity vulnerability in Jeewms with a CVSS 3.x base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7484
Weakness: CWE-79
Affected product: Jeewms
Published: 2026-02-23
Last modified: 2026-06-17

Description

A vulnerability was found in erzhongxmu JEEWMS up to 3.7. This affects an unknown part of the file src/main/webapp/plug-in/ueditor/jsp/getContent.jsp of the component UEditor. The manipulation of the argument myEditor results in cross site scripting. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-3027?: A vulnerability was found in erzhongxmu JEEWMS up to 3.7. This affects an unknown part of the file src/main/webapp/plug-in/ueditor/jsp/getContent.jsp of the component UEditor. The manipulation of the argument myEditor results in cross site scripting. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-3027?: CVE-2026-3027 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-3027 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3027?: CVE-2026-3027 affects Jeewms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3027?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3027 have an EU (EUVD) identifier?: Yes. CVE-2026-3027 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7484.
When was CVE-2026-3027 published?: CVE-2026-3027 was published on 2026-02-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jeewms:jeewms:*:*:*:*:*:*:*:*

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