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Vulnerability record · CVE-2021-25035 · published 24 January 2022

CVE-2021-25035: Revmakx backup and staging by wp time capsule cross-site scripting vulnerability

RRevmakx · Backup And Staging By Wp Time Capsule

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

6.1 CVSS 3.1 Medium EPSS 0.89% · top 42.3% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.89%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-25035), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.