How severe is CVE-2010-5340?

CVE-2010-5340 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-2010-5340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-5340?

CVE-2010-5340 affects Icewarp Webclient. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-5340?

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

When was CVE-2010-5340 published?

CVE-2010-5340 was published on 2019-10-11 and last updated on 2026-06-16.

CVE-2010-5340

CVE-2010-5340 is a medium-severity vulnerability in Icewarp Webclient 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)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Icewarp Webclient
Published: 2019-10-11
Last modified: 2026-06-16

Description

IceWarp Webclient before 10.2.1 has XSS via an HTTP POST request: webmail/ with the parameter password is non-persistent in 10.2.0.

Frequently asked questions

What is CVE-2010-5340?: IceWarp Webclient before 10.2.1 has XSS via an HTTP POST request: webmail/ with the parameter password is non-persistent in 10.2.0.
How severe is CVE-2010-5340?: CVE-2010-5340 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-2010-5340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-5340?: CVE-2010-5340 affects Icewarp Webclient. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-5340?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-5340 published?: CVE-2010-5340 was published on 2019-10-11 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:icewarp:webclient:*:*:*:*:*:*:*:*

More vulnerabilities in Icewarp Webclient

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CVE-2010-5339 — Medium (CVSS 6.1): IceWarp Webclient before 10.2.1 has XSS via an HTTP POST request: webmail/basic/ with the parameter _dlg[captcha][uid]…

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