CVE-2021-25035: Backup and Staging by WP Time Capsule < 1.22.7 - Reflected Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-01-24 · updated 2026-06-17
Weakness: CWE-79

Description

The Backup and Staging by WP Time Capsule WordPress plugin before 1.22.7 does not sanitise and escape the error parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting

Affected products

revmakx Backup and Staging by WP Time Capsule: before 1.22.7 — fixed in 1.22.7

How to fix

Upgrade to a fixed version: revmakx Backup and Staging by WP Time Capsule 1.22.7. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2641264
https://wpscan.com/vulnerability/f426360e-5ba0-4d6b-bfd4-61bc54be3469
https://plugins.trac.wordpress.org/changeset/2641264
https://wpscan.com/vulnerability/f426360e-5ba0-4d6b-bfd4-61bc54be3469

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