CVE-2019-15320: The option-tree plugin before 2.7.3 for WordPress has Object Injection because the + character is mishandled.

critical Affects option-tree (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The option-tree plugin before 2.7.3 for WordPress has Object Injection because the + character is mishandled.

Package
option-tree (WordPress plugin) WordPress
Affected versions
<2.7.3
Fixed in
2.7.3
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 2% (82.0th percentile)
Published
2019-08-22
Source
nvd

References

CWE-502
NVD recordoption-tree (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