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CVE-2026-30238

19
FAUCET Score

CVE-2026-30238 describes a reflected Cross-Site Scripting (XSS) vulnerability in Group-Office, an enterprise CRM and groupware tool, affecting versions prior to 6.8.155, 25.0.88, and 26.0.10. This flaw allows for arbitrary JavaScript execution in a victim's browser due to improper handling of a Base64 JSON parameter in the external/index flow. Rated with a CVSS score of 5.1 (Medium), the vulnerability requires user interaction (UI:A) but can be exploited remotely (AV:N) with low attack complexity (AC:L). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.8.155CPE matchmatch criteria
cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*
>= 25.0.1, < 25.0.88CPE matchmatch criteria
cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*
>= 25.2.1, < 26.0.10CPE matchmatch criteria
cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

5.1MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 20th percentile among its peer group of 26,221 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / Intermesh/groupoffice/security/advisories/GHSA-7p2f-c33m-rv5v
ExploitVendor Advisory