CVE-2026-28116: WordPress Progress Planner plugin <= 1.9.0 - Cross Site Scripting (XSS) vulnerability

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-02 · updated 2026-07-22
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Emilia Projects Progress Planner allows Stored XSS. This issue affects Progress Planner: from n/a through 1.9.0.

Affected products

Emilia Projects Progress Planner: through 1.9.0

References

https://patchstack.com/database/wordpress/plugin/progress-planner/vulnerability/wordpress-progress-planner-plugin-1-9-0-cross-site-scripting-xss-vulnerability?_s_id=cve

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