How severe is CVE-2026-36761?

CVE-2026-36761 has a CVSS 3.x base score of 6.1, rated medium 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 none.

Is CVE-2026-36761 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-36761?

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

Does CVE-2026-36761 have an EU (EUVD) identifier?

Yes. CVE-2026-36761 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26394.

When was CVE-2026-36761 published?

CVE-2026-36761 was published on 2026-04-30 and last updated on 2026-06-17.

CVE-2026-36761

CVE-2026-36761 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. 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: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26394
Weakness: CWE-79
Published: 2026-04-30
Last modified: 2026-06-17

Description

A stored cross-site scripting (XSS) vulnerability in the /msg/msgInner/save endpoint of JeeSite v5.15.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted input into the msgContent parameter.

Frequently asked questions

What is CVE-2026-36761?: A stored cross-site scripting (XSS) vulnerability in the /msg/msgInner/save endpoint of JeeSite v5.15.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted input into the msgContent parameter.
How severe is CVE-2026-36761?: CVE-2026-36761 has a CVSS 3.x base score of 6.1, rated medium 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 none.
Is CVE-2026-36761 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-36761?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-36761 have an EU (EUVD) identifier?: Yes. CVE-2026-36761 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26394.
When was CVE-2026-36761 published?: CVE-2026-36761 was published on 2026-04-30 and last updated on 2026-06-17.

References

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