How severe is CVE-2023-27739?

CVE-2023-27739 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-2023-27739 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27739?

CVE-2023-27739 affects Easyxdm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27739?

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

Does CVE-2023-27739 have an EU (EUVD) identifier?

Yes. CVE-2023-27739 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31475.

When was CVE-2023-27739 published?

CVE-2023-27739 was published on 2024-01-08 and last updated on 2026-06-17.

CVE-2023-27739

CVE-2023-27739 is a medium-severity vulnerability in Easyxdm 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% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-31475
Weakness: CWE-79
Affected product: Easyxdm
Published: 2024-01-08
Last modified: 2026-06-17

Description

easyXDM 2.5 allows XSS via the xdm_e parameter.

Frequently asked questions

What is CVE-2023-27739?: easyXDM 2.5 allows XSS via the xdm_e parameter.
How severe is CVE-2023-27739?: CVE-2023-27739 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-2023-27739 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27739?: CVE-2023-27739 affects Easyxdm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27739?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-27739 have an EU (EUVD) identifier?: Yes. CVE-2023-27739 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31475.
When was CVE-2023-27739 published?: CVE-2023-27739 was published on 2024-01-08 and last updated on 2026-06-17.

References

https://threeshield.ca/easyxdm-2.5.20.html

Affected products (1)

cpe:2.3:a:easyxdm:easyxdm:2.5:*:*:*:*:*:*:*

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