CVE-2021-26475

FAUCET Score

CVE-2021-26475 describes a reflected Cross-Site Scripting (XSS) vulnerability in EPrints version 3.4.2, specifically exploitable via the cgi/cal URI. This medium-severity vulnerability (CVSS 6.1) can be triggered remotely with low complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. While there is no evidence of active exploitation or Metasploit modules, a Nuclei template exists, and the vulnerability has received minimal community discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		3.4.2CPE matchmatch criteria	cpe:2.3:a:eprints:eprints:3.4.2:::::::*

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

7.33%

Probability of exploitation in next 30 days

EPSS Percentile

93.7%

Percentile rank of EPSS score among Peer Group

As of 2026-07-26

Model: v2026.06.15

Nuclei: CVE-2021-26475 · Jul 19, 2021

This CVE's current EPSS score of 0.0733 is in the 97th 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference

View patch

References

files.eprints.org / 2548

PatchVendor Advisory

github.com / grymer/CVE/blob/master/eprints_security_review.pdf

ExploitPatchThird Party Advisory