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CVE-2021-43725

31
FAUCET Score

CVE-2021-43725 is a reflected Cross-Site Scripting (XSS) vulnerability found in Spotweb version 1.5.1 and earlier, specifically within the SpotPage_login.php component. An unauthenticated remote attacker can exploit this by injecting malicious web script or HTML through the data[performredirect] parameter. Rated as Medium severity (CVSS 6.1), it requires user interaction and could lead to limited impact on confidentiality and integrity. While no active exploitation or public exploit code (Metasploit, ExploitDB) has been observed, a Nuclei template exists for detection, and there is minimal community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.5.1CPE matchmatch criteria
cpe:2.3:a:spotweb_project:spotweb:*:*:*:*:*:*:*:*

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
2.58%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-43725 · Jun 5, 2023
This CVE's current EPSS score of 0.0258 is in the 92nd percentile among its peer group of 26,234 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / spotweb/spotweb/commit/2bfa001689aae96009688a193c64478647ba45a1
PatchThird Party Advisory
github.com / spotweb/spotweb/issues/718
ExploitIssue TrackingThird Party Advisory