How severe is CVE-2021-45889?

CVE-2021-45889 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-2021-45889 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45889?

CVE-2021-45889 primarily affects Ponton X/p Messenger. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-45889?

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

When was CVE-2021-45889 published?

CVE-2021-45889 was published on 2022-03-13 and last updated on 2026-06-17.

CVE-2021-45889

CVE-2021-45889 is a medium-severity vulnerability in Ponton X/p Messenger 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)
CVSS v2: 3.5
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ponton X/p Messenger
Published: 2022-03-13
Last modified: 2026-06-17

Description

An issue was discovered in PONTON X/P Messenger before 3.11.2. Several functions are vulnerable to reflected XSS, as demonstrated by private/index.jsp?partners/ShowNonLocalPartners.do?localID= or private/index.jsp or private/index.jsp?database/databaseTab.jsp or private/index.jsp?activation/activationMainTab.jsp or private/index.jsp?communication/serverTab.jsp or private/index.jsp?emailNotification/notificationTab.jsp.

Frequently asked questions

What is CVE-2021-45889?: An issue was discovered in PONTON X/P Messenger before 3.11.2. Several functions are vulnerable to reflected XSS, as demonstrated by private/index.jsp?partners/ShowNonLocalPartners.do?localID= or private/index.jsp or private/index.jsp?database/databaseTab.jsp or private/index.jsp?activation/activationMainTab.jsp or private/index.jsp?communication/serverTab.jsp or private/index.jsp?emailNotification/notificationTab.jsp.
How severe is CVE-2021-45889?: CVE-2021-45889 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-2021-45889 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45889?: CVE-2021-45889 primarily affects Ponton X/p Messenger. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-45889?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45889 published?: CVE-2021-45889 was published on 2022-03-13 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ponton:x\/p_messenger:3.8.0:*:*:*:*:*:*:*
cpe:2.3:a:ponton:x\/p_messenger:3.10.0:*:*:*:*:*:*:*

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