How severe is CVE-2025-28254?

CVE-2025-28254 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-2025-28254 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-28254?

CVE-2025-28254 affects Leantime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-28254?

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

Does CVE-2025-28254 have an EU (EUVD) identifier?

Yes. CVE-2025-28254 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8662.

When was CVE-2025-28254 published?

CVE-2025-28254 was published on 2025-03-28 and last updated on 2026-06-17.

CVE-2025-28254

CVE-2025-28254 is a medium-severity vulnerability in Leantime 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% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8662
Weakness: CWE-79
Affected product: Leantime
Published: 2025-03-28
Last modified: 2026-06-17

Description

Cross Site Scripting vulnerability in Leantime v3.2.1 and before allows an authenticated attacker to execute arbitrary code and obtain sensitive information via the first name field in processMentions().

Frequently asked questions

What is CVE-2025-28254?: Cross Site Scripting vulnerability in Leantime v3.2.1 and before allows an authenticated attacker to execute arbitrary code and obtain sensitive information via the first name field in processMentions().
How severe is CVE-2025-28254?: CVE-2025-28254 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-2025-28254 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-28254?: CVE-2025-28254 affects Leantime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-28254?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-28254 have an EU (EUVD) identifier?: Yes. CVE-2025-28254 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8662.
When was CVE-2025-28254 published?: CVE-2025-28254 was published on 2025-03-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:leantime:leantime:*:*:*:*:*:*:*:*

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