Stored XSS via unescaped shortcode class attribute
Published May 15, 2025 · Updated May 20, 2025
Stored XSS in Planning Center Online Giving 1.0.0 and earlier allows remote authenticated users to execute script via shortcode attributes. The pco-giving shortcode writes the user-controlled class attribute into an HTML button without validation or attribute escaping. Contributor access is required to publish the shortcode, and script runs in the site origin only after a reader opens the post and moves the pointer over the button.
Summary
What happened
Stored XSS in Planning Center Online Giving 1.0.0 and earlier allows remote authenticated users to execute script via shortcode attributes. The pco-giving shortcode writes the user-controlled class attribute into an HTML button without validation or attribute escaping. Contributor access is required to publish the shortcode, and script runs in the site origin only after a reader opens the post and moves the pointer over the button.
The record
- CVE
- CVE-2024-11502
- Published
- May 15, 2025
- Updated
- May 20, 2025
- Vendor
- Planning Center
- Product
- Planning Center Giving
- Classifications
- CWE-79, T1059.007
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- May 15, 2025CVE publishedPublication date reported by the CVE source.
- May 20, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=1.0.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- WPScan pco-giving shortcode stored-XSS proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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