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CVE-2016-3735: Piwigo is image gallery software written in PHP.

Piwigo is image gallery software written in PHP. When a criteria is not met on a host, piwigo defaults to usingmt_rand in order to generate password reset tokens. mt_rand output can be predicted after recovering the seed used to generate it. This low an unauthenticated attacker to take over an account providing they know an administrators email address in order to be able to request password reset.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2016-3735 affects Piwigo before 2.8.1. Under certain host conditions, password reset tokens may be generated with predictable randomness. An unauthenticated attacker who knows an administrator email address could request a reset and potentially take over that account. Exposure is limited to Piwigo deployments older than 2.8.1, especially internet-facing galleries with administrator email addresses discoverable or guessable. The source bundle does not provide affected platform details beyond Piwigo version scope. Treat this as a high-priority legacy web application issue where Piwigo is still deployed. The impact can be administrator account takeover, but urgency should be driven by confirmed use of Piwigo before 2.8.1 and internet exposure. Mitigation focus: Upgrade Piwigo to version 2.8.1 or a later supported release.; Check Piwigo vendor guidance for any additional remediation notes.; Prioritize internet-facing Piwigo instances with administrator accounts..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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ATT&CK lookup starting points

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CWE-335: Exact CWE lookup

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CVE-2016-3735 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aPiwigopiwigo < 2.8.1Listed
Weakness

CWE details

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CWE-335 · source CWE mapping

Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)

Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.