How severe is CVE-2023-28705?

CVE-2023-28705 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 user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-28705 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28705?

CVE-2023-28705 affects Openfind Mail2000. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28705?

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

When was CVE-2023-28705 published?

CVE-2023-28705 was published on 2023-06-02 and last updated on 2026-06-17.

CVE-2023-28705

CVE-2023-28705 is a medium-severity vulnerability in Openfind Mail2000 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Openfind Mail2000
Published: 2023-06-02
Last modified: 2026-06-17

Description

Openfind Mail2000 has insufficient filtering special characters of email content of its content filtering function. A remote attacker can exploit this vulnerability using phishing emails that contain malicious web pages injected with JavaScript. When users access the system and open the email, it triggers an XSS (Reflected Cross-site scripting) attack.

Frequently asked questions

What is CVE-2023-28705?: Openfind Mail2000 has insufficient filtering special characters of email content of its content filtering function. A remote attacker can exploit this vulnerability using phishing emails that contain malicious web pages injected with JavaScript. When users access the system and open the email, it triggers an XSS (Reflected Cross-site scripting) attack.
How severe is CVE-2023-28705?: CVE-2023-28705 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 user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-28705 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28705?: CVE-2023-28705 affects Openfind Mail2000. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28705?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-28705 published?: CVE-2023-28705 was published on 2023-06-02 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-7158-751a6-1.html

Affected products (1)

cpe:2.3:a:openfind:mail2000:*:*:*:*:*:*:*:*

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