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Fencer Vulns
medium 6.5

CVE-2021-47754 json

Arunna 1.0.0 - 'Multiple' Cross-Site Request Forgery (CSRF)

published 2026-01-15 9 mo ago modified 2026-08-14 2 mo ago also EUVD-2026-2780

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits
0
none known

Summary

Arunna 1.0.0 contains a cross-site request forgery vulnerability that allows attackers to manipulate user profile settings without authentication. Attackers can craft a malicious form to change user details, including passwords, email, and administrative privileges by tricking authenticated users into submitting the form.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
9 mo ago

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • exploit-db.com https://www.exploit-db.com/exploits/50608 referenced PoC, tagged "exploit" by a source, unverified
  • web.archive.org https://web.archive.org/web/20211216074128/https://lyhinslab.org/index.php/2021/11/29/how-white-box-hacking-works-xss-csrf-in-arunna/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CNA 4.0 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Arunna Arunna

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

References

Sources

Fencer Vulns 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.