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GHSA-gcv6-2v9c-rj48medium6.1

Cosenary Instagram-PHP-API contains reflected XSS vulnerability

Impact

cosenary Instagram-PHP-API (aka Instagram PHP API V2), used in the UserPro plugin through 4.9.32 for WordPress, is vulnerable to cross-site scripting via the example/success.php error_description parameter.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

cosenary/instagram Packagist
Affected rangeRecorded fix
Earlier releases through 2.3 (inclusive)Ecosystem versionsNot recorded

Version evidence: OSV · GHSA-gcv6-2v9c-rj48

View original version evidence (2 explicit versions)

Original source description

cosenary Instagram-PHP-API (aka Instagram PHP API V2), used in the UserPro plugin through 4.9.32 for WordPress, is vulnerable to cross-site scripting via the example/success.php error_description parameter.

Vulnerable code:

    if (isset($_GET['error'])) {
        echo 'An error occurred: ' . $_GET['error_description'];
    }

Proof-of-Concept:

https://domain.tld/wp-content/plugins/userpro/lib/instagram/vendor/cosenary/instagram/example/success.php?error=&error_description=<PAYLOAD>

References