CVE-2026-27833
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk74th percentile - higher than 74% of all known CVEs
Summary
In Piwigo prior to version 16.3.0, the pwg.history.search API method is registered without the admin_only option, allowing unauthenticated users to access the full browsing history of all gallery visitors.
Risk Assessment
An attacker can track user activity in the gallery, obtaining information about viewed photos, violating privacy.
Recommendation
Update Piwigo to version 16.3.0, which fixes this vulnerability.
Other vulnerabilities in Piwigo
See all- CVE-2017-17827High
Piwigo version 2.9.2 is vulnerable to Cross-Site Request Forgery (CSRF) via specific URL parameters. An attacker can coerce an admin user into performing unintended actions.
- CVE-2017-17774High
The admin/configuration.php file in Piwigo version 2.9.2 has a CSRF (Cross-Site Request Forgery) vulnerability. An attacker can exploit this flaw to perform unauthorized actions on behalf of a logged-in user.
- CVE-2017-10681High
CVE-2017-10681 in Piwigo through 2.9.1 has a CSRF vulnerability that allows remote attackers to hijack user authentication for requests to unlock albums via a crafted request.
- CVE-2017-10680High
CVE-2017-10680 is a CSRF vulnerability in Piwigo through version 2.9.1 that allows remote attackers to hijack user authentication to change a private album to public via a crafted request.
- CVE-2017-10679High
Piwigo through 2.9.1 allows remote attackers to obtain sensitive information about the descriptive name of a permalink by examining the redirect URL that is returned in a request for the permalink ID number of a private album. The permalink ID numbers are easily guessed.
- CVE-2017-10678High
The CSRF vulnerability in Piwigo through version 2.9.1 allows remote attackers to hijack user authentication for requests to delete permalinks via a crafted request.
- CVE-2016-10084High
The admin/batch_manager.php file in Piwigo up to version 2.8.3 has a vulnerability that allows remote authenticated administrators to conduct File Inclusion attacks via the $page['tab'] variable (aka the mode parameter).
- CVE-2015-1441High
SQL injection vulnerability in Piwigo before 2.5.6, 2.6.x before 2.6.5, and 2.7.x before 2.7.3 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
- CVE-2014-9115High
SQL injection vulnerability in the rate_picture function in Piwigo before 2.5.5, 2.6.x before 2.6.4, and 2.7.x before 2.7.2 allows remote attackers to execute arbitrary SQL commands via the rate parameter to picture.php, related to an improper data type in a comparison of a non-numeric value that begins with a digit.
- CVE-2014-4648High
Unspecified vulnerability in Piwigo before version 2.6.3 has unknown impact and attack vectors, related to a 'security failure.'
Original NVD description (English source)
Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, the pwg.history.search API method in Piwigo is registered without the admin_only option, allowing unauthenticated users to access the full browsing history of all gallery visitors. This issue has been patched in version 16.3.0.