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CVE-2018-10099

19
FAUCET Score

CVE-2018-10099 describes a Cross-Site Search (XS-Search) vulnerability in Google Monorail versions prior to 2018-04-04. This medium severity vulnerability (CVSS 5.3) arises from a combination of CSRF affecting CSV downloads and timing attacks on download calculations, allowing an unauthenticated attacker to potentially infer sensitive information from bug reports. While the attack complexity is high and user interaction is required, successful exploitation could lead to high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2018-04-04CPE matchmatch criteria
cpe:2.3:a:google:monorail:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 48th percentile among its peer group of 705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

chromium.googlesource.com / infra/infra/+/0ff6b6453b6192987bd9240c1e872a7de5fb1313
PatchVendor Advisory
medium.com / %40luanherrera/xs-searching-googles-bug-tracker-to-find-out-vulnerable-source-code-50d8135b7549
reddit.com / r/netsec/comments/9yiidf/xssearching_googles_bug_tracker_to_find_out/ea2i7wz
ExploitThird Party Advisory