Session hijacking via unescaped GeoPage attribute
Published Apr 7, 2026 · Updated Apr 7, 2026
Reflected XSS in ChurchCRM before 7.1.0 allows remote authenticated users to hijack other users' sessions through GeoPage.php. GeoPage.php places the CoordFileName POST value directly into an input value attribute without output encoding, so a quote can add autofocus and an onfocus handler. A standard non-admin account can create the payload, but another authenticated user must visit a page that submits the crafted POST; the script can then steal that victim's session cookie and take over the account.
Summary
What happened
Reflected XSS in ChurchCRM before 7.1.0 allows remote authenticated users to hijack other users' sessions through GeoPage.php. GeoPage.php places the CoordFileName POST value directly into an input value attribute without output encoding, so a quote can add autofocus and an onfocus handler. A standard non-admin account can create the payload, but another authenticated user must visit a page that submits the crafted POST; the script can then steal that victim's session cookie and take over the account.
The record
- CVE
- CVE-2026-39332
- Published
- Apr 7, 2026
- Updated
- Apr 7, 2026
- Vendor
- ChurchCRM
- Product
- ChurchCRM
- Classifications
- CWE-79, T1539
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Apr 7, 2026CVE publishedPublication date reported by the CVE source.
- Apr 7, 2026Record 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=< 7.1.0
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
- GHSA-hc6g-h48v-wqvq proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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