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CVE-2021-35488

31
FAUCET Score

CVE-2021-35488 describes a Reflected Cross-Site Scripting (XSS) vulnerability in Thruk version 2.40-2, specifically affecting the status.cgi component through the host or title parameters. This medium-severity vulnerability, with a CVSS score of 6.1, allows an unauthenticated attacker to inject arbitrary JavaScript, which would execute in an authenticated user's browser upon visiting the compromised page. While there is no evidence of active exploitation or public Metasploit/ExploitDB modules, Nuclei templates exist for detection, and community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
2.40-2CPE matchmatch criteria
cpe:2.3:a:thruk:thruk:2.40-2:*:*:*:*:*:*:*

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
2.63%
Probability of exploitation in next 30 days
EPSS Percentile
83.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-35488 · Aug 15, 2022
This CVE's current EPSS score of 0.0263 is in the 92nd 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

gruppotim.it / redteam
ExploitThird Party Advisory
thruk.org / changelog.html
Release NotesVendor Advisory