XSS in Updraftplus
CVE-2021-25022
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
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Updraftplus
- Updraftplus WordPress Backup Plugin — versions 1.16.66
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/1801c7ae-2b5c-493f-969d-4bb19a9feb15 (Exploit, Third Party Advisory)
- plugins.trac.wordpress.org/changeset/2635585/updraftplus (Patch, Third Party Advisory)
- plugins.trac.wordpress.org/changeset/2637112/updraftplus (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25022?
- CVE-2021-25022 is a medium-severity vulnerability in Updraftplus, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-01-03.
- How severe is CVE-2021-25022?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-25022 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.