The Configuration component of Piwigo 2.9.2 is vulnerable to Persistent Cross Site Scripting via the gallery_title parameter in an admin.ph…

published 2017-12-21 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-8977

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

The Configuration component of Piwigo 2.9.2 is vulnerable to Persistent Cross Site Scripting via the gallery_title parameter in an admin.php?page=configuration&section=main request. An attacker can exploit this to hijack a client's browser along with the data stored in it.

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/sahildhar/sahildhar.github.io/blob/master/research/reports/Piwigo_2.9.2/Stored%20XSS%20Vulnerabilities%20in%20Piwigo%202.9.2.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /sahildhar/sahildhar.github.io/blob/master/research/reports/Piwigo_2.9.2/Stored%20XSS%20Vulnerabilities%20in%2
exploit, third-party-advisory

Sources

CVE List CVE-2017-17826
NVD CVE-2017-17826

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary