What is CVE-2022-0864?

CVE-2022-0864 is a medium-severity vulnerability in Updraftplus, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-04.

How severe is CVE-2022-0864?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2022-0864 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Updraftplus

CVE-2022-0864

The UpdraftPlus WordPress Backup Plugin WordPress plugin before 1.22.9 does not sanitise and escape the updraft_interval parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting (XSS) vulnerability.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-04-04 · last modified 2026-06-17.

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: 0.074 (94.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.074 · newest: 0.074 · change: 0.000

Affected products

Updraftplus
Updraftplus WordPress Backup Plugin — versions 1.22.9

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

wpscan.com/vulnerability/7337543f-4c2c-4365-aebf-3423e9d2f872 (Exploit, Third Party Advisory)
packetstormsecurity.com/files/166631/WordPress-UpdraftPlus-Cross-Site-Scripting… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0864?: CVE-2022-0864 is a medium-severity vulnerability in Updraftplus, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-04.
How severe is CVE-2022-0864?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-0864 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.