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Fencer Intel
medium 6.1

CVE-2021-27695 json

Multiple stored cross-site scripting (XSS) vulnerabilities in openMAINT 2.1-3.3-b allow remote attackers to inject arbitrary web script or…

published 5y ago modified 4mo ago also EUVD-2021-14437

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
1
Exploit-DB

Summary

Multiple stored cross-site scripting (XSS) vulnerabilities in openMAINT 2.1-3.3-b allow remote attackers to inject arbitrary web script or HTML via any "Add" sections, such as Add Card Building & Floor, or others in the Name and Code Parameters.

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Timeline

  1. First public exploit (EDB-49649)
  2. Published

Exploit prediction

3.01% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-49649 openMAINT openMAINT 2.1-3.3-b - 'Multiple' Persistent Cross-Site Scripting webapps, 2021-03-15

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.