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CVE-2023-26291

20
FAUCET Score

CVE-2023-26291 is a Reflected Cross-site Scripting (XSS) vulnerability affecting Forcepoint Cloud Security Gateway (CSG) Portal and Forcepoint Web Security Portal on Hybrid, specifically in the login_form.mhtml modules. This medium-severity vulnerability (CVSS 6.1) requires user interaction and could lead to limited confidentiality and integrity impacts if exploited. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2023-03-29CPE matchmatch criteria
cpe:2.3:a:forcepoint:cloud_security_gateway:*:*:*:*:*:*:*:*
< 2023-03-29CPE matchmatch criteria
cpe:2.3:a:forcepoint:web_security:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 28th percentile among its peer group of 26,221 CVEs.

Social Chatter

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

support.forcepoint.com / s/article/000041617
Vendor Advisory