High

Object Injection in ConveyThis Language Translate Widget for WordPress

IdentifiersCVE-2025-57919CWE-502· Deserialization of Untrusted Data

CVE-2025-57919 is a deserialization of untrusted data vulnerability in the ConveyThis Language Translate Widget for WordPress plugin. According to the provided content, the flaw allows object injection and affects Language Translate Widget for WordPress – ConveyThis through version 264. The issue arises from unsafe handling of attacker-controlled serialized data, which can result in PHP object injection when untrusted input is deserialized by the plugin.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can allow an attacker to inject arbitrary PHP objects into the application context. The resulting impact depends on the presence of exploitable gadget chains in the WordPress environment, including the plugin itself, other installed plugins, themes, or core classes. Depending on available gadgets, this can lead to unauthorized actions, data manipulation, file operations, denial of service, or potentially remote code execution.

Mitigation

If you can’t patch tonight, do this now.

As a temporary mitigation, disable the ConveyThis plugin on affected WordPress instances, restrict access to any functionality or endpoints that process serialized input, and reduce exposure of administrative or unauthenticated attack surfaces where possible. Additional hardening includes minimizing installed plugins and themes to reduce available gadget chains, monitoring for suspicious requests targeting plugin functionality, and deploying WAF rules if a specific exploit path becomes known.

Remediation

Patch, then assume compromise.

Update the ConveyThis Language Translate Widget for WordPress plugin to a fixed version newer than 264 if one is available from the vendor. Review vendor advisories and changelogs for the specific patched release. If no patched version is yet available, remove or disable the vulnerable plugin until a fix is released.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

ACTIVITY FEED

Recent activity

3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

3 SOURCESView more in app

ca ccsNews

Dec 15, 2025

AL25-019 - Vulnerabilities impacting Fortinet products - FortiCloud SSO Login Authentication Bypass - CVE-2025-59718 and CVE-2025-59719

A critical authentication bypass vulnerability in Fortinet products using FortiCloud SSO login, due to improper verification of cryptographic signatures (CWE-347), allowing unauthenticated attackers to bypass authentication via crafted SAML responses.

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity2