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CVE-2021-42584

21
FAUCET Score

CVE-2021-42584 is a Stored Cross-Site Scripting (XSS) vulnerability affecting Convos-Chat versions prior to 6.32. With a CVSS score of 5.4 (Medium), this flaw allows a low-privileged attacker to inject malicious scripts, potentially leading to limited impact on confidentiality and integrity, requiring user interaction. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.32CPE matchmatch criteria
cpe:2.3:a:convos:convos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.73%
Probability of exploitation in next 30 days
EPSS Percentile
50.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0073 is in the 85th percentile among its peer group of 15,224 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 0.0 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

dev696.github.io / Writeup
ExploitThird Party Advisory
github.com / convos-chat/convos/commit/14a3b1e98cd1a3211c0ef3d4f5ffdbc60baaca54
PatchThird Party Advisory
github.com / convos-chat/convos/issues/623
ExploitIssue TrackingThird Party Advisory