phpwarden
FeaturesComparePricingAdvisoriesBlogDocsChangelogLog in
Log inStart free

CVE-2022-0659: The Sync QCloud COS WordPress plugin before 2.0.1 does not escape some of its settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_htm

medium Affects sync-qcloud-cos (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Sync QCloud COS WordPress plugin before 2.0.1 does not escape some of its settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_htm

Package
sync-qcloud-cos (WordPress plugin) WordPress
Affected versions
<2.0.1
Fixed in
2.0.1
Severity
medium  CVSS 4.8
Exploitation
not on CISA KEV · EPSS 1% (48.5th percentile)
Published
2022-03-14
Source
nvd

References

CWE-79
NVD recordsync-qcloud-cos (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories