How severe is CVE-2025-51662?

CVE-2025-51662 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-2025-51662 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-51662?

CVE-2025-51662 affects Lanol Filecodebox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-51662?

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

Does CVE-2025-51662 have an EU (EUVD) identifier?

Yes. CVE-2025-51662 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198175.

When was CVE-2025-51662 published?

CVE-2025-51662 was published on 2025-11-19 and last updated on 2026-06-17.

CVE-2025-51662

CVE-2025-51662 is a medium-severity vulnerability in Lanol Filecodebox 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% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198175
Weakness: CWE-79
Affected product: Lanol Filecodebox
Published: 2025-11-19
Last modified: 2026-06-17

Description

A stored cross-site scripting (XSS) vulnerability is found in the text sharing feature of FileCodeBox version 2.2 and earlier. Insufficient input validation allows attackers to inject arbitrary JavaScript code into shared text "codeboxes". The xss payload is automatically executed in the browsers of any users who try to access the infected codebox by clicking link or entering share code.

Frequently asked questions

What is CVE-2025-51662?: A stored cross-site scripting (XSS) vulnerability is found in the text sharing feature of FileCodeBox version 2.2 and earlier. Insufficient input validation allows attackers to inject arbitrary JavaScript code into shared text "codeboxes". The xss payload is automatically executed in the browsers of any users who try to access the infected codebox by clicking link or entering share code.
How severe is CVE-2025-51662?: CVE-2025-51662 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-2025-51662 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-51662?: CVE-2025-51662 affects Lanol Filecodebox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-51662?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-51662 have an EU (EUVD) identifier?: Yes. CVE-2025-51662 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198175.
When was CVE-2025-51662 published?: CVE-2025-51662 was published on 2025-11-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lanol:filecodebox:*:*:*:*:*:*:*:*

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