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CVE-2025-66312

21
FAUCET Score

CVE-2025-66312 describes a Stored Cross-Site Scripting (XSS) vulnerability in the Grav admin plugin, affecting versions prior to 1.11.0-beta.1. An authenticated attacker can inject malicious scripts into the data[readableName] parameter within the /admin/accounts/groups/Grupo endpoint, which are then executed when other users access the affected page. With a CVSS score of 5.4 (Medium), this vulnerability requires user interaction and low privileges, posing a risk of limited impact to confidentiality and integrity. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.10.50CPE matchmatch criteria
cpe:2.3:a:getgrav:grav-plugin-admin:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.2MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H/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
HIGH
User Interaction
ACTIVE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
HIGH
SS Integrity
HIGH
SS Availability
HIGH
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
8.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 7th percentile among its peer group of 15,239 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: getgrav/gravFixed in: 1.8.0-beta.27
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-rmw5-f87r-w988medium

Grav Admin Plugin is vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/accounts/groups/[group]` parameter `data[readableName]`

Dec 2, 2025

References

github.com / getgrav/grav-plugin-admin/commit/99f653296504f1d6408510dd2f6f20a45a26f9b0
Patch
github.com / getgrav/grav/security/advisories/GHSA-rmw5-f87r-w988
ExploitVendor Advisory