Common Weakness Enumeration

CWE-502

Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

CVE-2026-22187 (GCVE-0-2026-22187)

Vulnerability from cvelistv5 – Published: 2026-01-07 20:27 – Updated: 2026-01-07 21:34
VLAI
Title
Bio-Formats <= 8.3.0 Memoizer Unsafe Deserialization via .bfmemo Cache Files
Summary
Bio-Formats versions up to and including 8.3.0 perform unsafe Java deserialization of attacker-controlled memoization cache files (.bfmemo) during image processing. The loci.formats.Memoizer class automatically loads and deserializes memo files associated with images without validation, integrity checks, or trust enforcement. An attacker who can supply a crafted .bfmemo file alongside an image can trigger deserialization of untrusted data, which may result in denial of service, logic manipulation, or potentially remote code execution in environments where suitable gadget chains are present on the classpath.
Severity
6.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Open Microscopy Environment Bio-Formats Affected: 0 , ≤ 8.3.0 (semver)
Create a notification for this product.
Credits
Ron Edgerson
Show details on NVD website
To clipboard 

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CVE-2026-22248 (GCVE-0-2026-22248)

Vulnerability from cvelistv5 – Published: 2026-03-11 15:27 – Updated: 2026-03-12 03:55
VLAI
Title
GLPI affected by Remote Code Execution via malicious upload
Summary
GLPI is an open-source asset and IT management software package that provides ITIL Service Desk features, licenses tracking and software auditing. From 11.0.0 to before 11.0.5, an authenticated technician user can upload a malicious file and trigger its execution through an unsafe PHP instantiation. This vulnerability is fixed in 11.0.5.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
glpi-project glpi Affected: >= 11.0.0, < 11.0.5
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-22333 (GCVE-0-2026-22333)

Vulnerability from cvelistv5 – Published: 2026-02-19 08:26 – Updated: 2026-04-28 16:46
VLAI
Title
WordPress YITH WooCommerce Compare plugin <= 3.6.0 - Deserialization of untrusted data vulnerability
Summary
Deserialization of Untrusted Data vulnerability in YITHEMES YITH WooCommerce Compare yith-woocommerce-compare allows Object Injection.This issue affects YITH WooCommerce Compare: from n/a through <= 3.6.0.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
YITHEMES YITH WooCommerce Compare Affected: 0 , ≤ 3.6.0 (custom)
Create a notification for this product.
Date Public
2026-04-01 16:03
Credits
mcdruid | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-22345 (GCVE-0-2026-22345)

Vulnerability from cvelistv5 – Published: 2026-02-20 15:46 – Updated: 2026-04-28 16:47
VLAI
Title
WordPress Image Gallery – Lightbox Gallery, Responsive Photo Gallery, Masonry Gallery plugin <= 1.6.0 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in A WP Life Image Gallery – Lightbox Gallery, Responsive Photo Gallery, Masonry Gallery new-image-gallery allows Object Injection.This issue affects Image Gallery – Lightbox Gallery, Responsive Photo Gallery, Masonry Gallery: from n/a through <= 1.6.0.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Date Public
2026-04-01 16:03
Credits
Muhammad Yudha - DJ | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-22346 (GCVE-0-2026-22346)

Vulnerability from cvelistv5 – Published: 2026-02-20 15:47 – Updated: 2026-04-28 16:47
VLAI
Title
WordPress Slider Responsive Slideshow – Image slider, Gallery slideshow plugin <= 1.5.4 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in A WP Life Slider Responsive Slideshow – Image slider, Gallery slideshow slider-responsive-slideshow allows Object Injection.This issue affects Slider Responsive Slideshow – Image slider, Gallery slideshow: from n/a through <= 1.5.4.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Date Public
2026-04-01 16:03
Credits
Muhammad Yudha - DJ | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-22354 (GCVE-0-2026-22354)

Vulnerability from cvelistv5 – Published: 2026-02-20 15:47 – Updated: 2026-04-28 16:48
VLAI
Title
WordPress Woocommerce Category Banner Management plugin <= 2.5.1 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in Dotstore Woocommerce Category Banner Management banner-management-for-woocommerce allows Object Injection.This issue affects Woocommerce Category Banner Management: from n/a through <= 2.5.1.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Dotstore Woocommerce Category Banner Management Affected: 0 , ≤ 2.5.1 (custom)
Create a notification for this product.
Date Public
2026-04-01 16:03
Credits
Muhammad Yudha - DJ | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-22384 (GCVE-0-2026-22384)

Vulnerability from cvelistv5 – Published: 2026-02-20 15:47 – Updated: 2026-04-28 16:53
VLAI
Title
WordPress Applay - Shortcodes plugin <= 3.7 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in leafcolor Applay - Shortcodes applay-shortcodes allows Object Injection.This issue affects Applay - Shortcodes: from n/a through <= 3.7.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
leafcolor Applay - Shortcodes Affected: 0 , ≤ 3.7 (custom)
Create a notification for this product.
Date Public
2026-04-22 14:20
Credits
João Pedro S Alcântara (Kinorth) | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-22417 (GCVE-0-2026-22417)

Vulnerability from cvelistv5 – Published: 2026-03-05 05:53 – Updated: 2026-04-28 17:07
VLAI
Title
WordPress Grand Wedding theme < 3.1.11 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Wedding grandwedding allows Object Injection.This issue affects Grand Wedding: from n/a through < 3.1.11.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
ThemeGoods Grand Wedding Affected: 0 , ≤ 3.1.11 (custom)
Create a notification for this product.
Date Public
2026-04-22 14:20
Credits
Tran Nguyen Bao Khanh (VCI - VNPT Cyber Immunity) | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-22451 (GCVE-0-2026-22451)

Vulnerability from cvelistv5 – Published: 2026-03-05 05:53 – Updated: 2026-04-28 17:14
VLAI
Title
WordPress Handyman theme <= 1.4.7 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in AncoraThemes Handyman handyman-services allows Object Injection.This issue affects Handyman: from n/a through <= 1.4.7.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
AncoraThemes Handyman Affected: 0 , ≤ 1.4.7 (custom)
Create a notification for this product.
Date Public
2026-04-01 16:04
Credits
Tran Nguyen Bao Khanh (VCI - VNPT Cyber Immunity) | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-22453 (GCVE-0-2026-22453)

Vulnerability from cvelistv5 – Published: 2026-03-05 05:53 – Updated: 2026-04-28 17:15
VLAI
Title
WordPress Pets Club theme <= 2.3 - PHP Object Injection vulnerability
Summary
Deserialization of Untrusted Data vulnerability in ThemeREX Pets Club petclub allows Object Injection.This issue affects Pets Club: from n/a through <= 2.3.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
ThemeREX Pets Club Affected: 0 , ≤ 2.3 (custom)
Create a notification for this product.
Date Public
2026-04-01 16:04
Credits
Tran Nguyen Bao Khanh (VCI - VNPT Cyber Immunity) | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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Mitigation

Phases: Architecture and Design, Implementation

Description:

  • If available, use the signing/sealing features of the programming language to assure that deserialized data has not been tainted. For example, a hash-based message authentication code (HMAC) could be used to ensure that data has not been modified.
Mitigation

Phase: Implementation

Description:

  • When deserializing data, populate a new object rather than just deserializing. The result is that the data flows through safe input validation and that the functions are safe.
Mitigation

Phase: Implementation

Description:

  • Explicitly define a final object() to prevent deserialization.
Mitigation

Phases: Architecture and Design, Implementation

Description:

  • Make fields transient to protect them from deserialization.
  • An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.
Mitigation

Phase: Implementation

Description:

  • Avoid having unnecessary types or gadgets (a sequence of instances and method invocations that can self-execute during the deserialization process, often found in libraries) available that can be leveraged for malicious ends. This limits the potential for unintended or unauthorized types and gadgets to be leveraged by the attacker. Add only acceptable classes to an allowlist. Note: new gadgets are constantly being discovered, so this alone is not a sufficient mitigation.
Mitigation

Phases: Architecture and Design, Implementation

Description:

  • Employ cryptography of the data or code for protection. However, it's important to note that it would still be client-side security. This is risky because if the client is compromised then the security implemented on the client (the cryptography) can be bypassed.
Mitigation ID: MIT-29

Phase: Operation

Strategy: Firewall

Description:

  • Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-586: Object Injection

An adversary attempts to exploit an application by injecting additional, malicious content during its processing of serialized objects. Developers leverage serialization in order to convert data or state into a static, binary format for saving to disk or transferring over a network. These objects are then deserialized when needed to recover the data/state. By injecting a malformed object into a vulnerable application, an adversary can potentially compromise the application by manipulating the deserialization process. This can result in a number of unwanted outcomes, including remote code execution.

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