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Fencer Vulns
medium 6.1

CVE-2022-4897 json

BackupBuddy < 8.8.3 - Multiple Reflected Cross-Site Scripting

published 2023-02-21 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52154

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known, plus a Nuclei check

Summary

The BackupBuddy WordPress plugin before 8.8.3 does not sanitise and escape some parameters before outputting them back in various places, leading to Reflected Cross-Site Scripting

Patch / fix

  • Unknown BackupBuddy 8.8.3

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template WordPress BackupBuddy <8.8.3 - Cross Site Scripting nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/7b0eeafe-b9bc-43b2-8487-a23d3960f73f referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Unknown BackupBuddy

Classification

Technology feeds

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.