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CVE-2021-42552

21
FAUCET Score

CVE-2021-42552 is a Cross-site Scripting (XSS) vulnerability in the ArchivistaBox webclient, affecting all versions prior to 2022/I. An unauthenticated attacker can exploit this by crafting a malicious link, leading to arbitrary JavaScript execution in a victim's browser. With a CVSS score of 6.1 (Medium), this vulnerability requires user interaction (UI:R) but has low impact on confidentiality and integrity (C:L/I:L). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2022\/iCPE matchmatch criteria
cpe:2.3:a:archivista:archivistabox:*:*:*:*:*:*:*:*

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
0.66%
Probability of exploitation in next 30 days
EPSS Percentile
47.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0066 is in the 52nd percentile among its peer group of 26,236 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

it-sec.de / schwachstelle-in-archivista-dms
ExploitThird Party Advisory