CVE-2021-25022

UpdraftPlus < 1.16.66 - Reflected Cross-Site Scripting

MEDIUM
6.1
CVSS Score
Published: January 3, 2022 at 12:49 PM UTC
Updated: June 17, 2026 at 03:41 AM UTC
1 product affected across 1 vendorUpdraftPlus

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Severity
MEDIUM6.1
Exploit prediction
EPSS 1%
SSVC
PoC

Description

The UpdraftPlus WordPress Backup Plugin WordPress plugin before 1.16.66 does not sanitise and escape the backup_timestamp and job_id parameter before outputting then back in admin pages, leading to Reflected Cross-Site Scripting issues

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%
v < 1.16.66
Affected range stops below 1.16.66, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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