CVE-2021-24994 - CVE House
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Status published Medium CVE-2021-24994

WPvivid Backup and Migration Plugin < 0.9.69 - Unauthenticated Stored Cross-Site Scripting

Vulnerability Description

The Migration, Backup, Staging WordPress plugin before 0.9.69 does not have authorisation when adding remote storages, and does not sanitise as well as escape a parameter from such unauthenticated requests before outputting it in admin page, leading to a Stored Cross-Site Scripting issue

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Krzysztof Zając

References

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Affected Vendor

Affected Software

Migration, Backup, Staging – WPvivid Backup and Migration Plugin
Vulnerable Versions:
0.9.69

Timeline

Official Publish: February 28th, 2022
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact