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CVE-2025-53504

MEDIUMCVSS 4.8/10EPSS 0.17%

Last modified

CVE-2025-53504 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. Group-Office versions prior to 6.8.119 and prior to 25.0.20 provided by Intermesh BV contain a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed in the user's web browser.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

Group-Office versions prior to 6.8.119 and prior to 25.0.20 provided by Intermesh BV contain a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed in the user's web browser.

Metrics

CVSS 4.0
4.8/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.17%

6.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Group-OfficeGroup Office< 6.8.119
Group-OfficeGroup Office>= 25.0.1, < 25.0.20

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-53504?
Group-Office versions prior to 6.8.119 and prior to 25.0.20 provided by Intermesh BV contain a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed in the user's web browser.
How severe is CVE-2025-53504?
CVE-2025-53504 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2025-53504?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-53504?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST