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CVE-2021-43697

21
FAUCET Score

CVE-2021-43697 describes a Cross-Site Scripting (XSS) vulnerability in Workerman-ThinkPHP-Redis, specifically within the Controller.class.php file, where an exit function improperly handles user-supplied input from the $_GET superglobal, leading to script injection. This vulnerability affects the workerman-thinkphp-redis_project. It carries a CVSS score of 6.1 (Medium), indicating that an unauthenticated attacker can exploit it over the network with low complexity, requiring user interaction to achieve limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2018-03-16CPE matchmatch criteria
cpe:2.3:a:workerman-thinkphp-redis_project:workerman-thinkphp-redis:*:*:*:*:*:*:*:*

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
0.64%
Probability of exploitation in next 30 days
EPSS Percentile
47.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0064 is in the 51st percentile among its peer group of 26,219 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

github.com / happyliu2014/Workerman-ThinkPHP-Redis/issues/1
ExploitThird Party Advisory