CVE-2022-4680Public exploitNetwork attack vector

PHP object injection via unsafe settings deserialization

Published Jan 30, 2023 · Updated Mar 27, 2025

PHP object injection in CodeinWP Revive Old Posts before 9.0.11 allows remote authenticated users to instantiate PHP objects. The is_set_not_empty function deserializes attacker-controlled id or pages values submitted to the add_account_fb REST request. Administrator access is required, and further impact depends on a suitable gadget chain from another installed plugin or theme; the affected plugin supplies none.

CVSS severity7.2
High
EPSS probability1.05%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

PHP object injection in CodeinWP Revive Old Posts before 9.0.11 allows remote authenticated users to instantiate PHP objects. The is_set_not_empty function deserializes attacker-controlled id or pages values submitted to the add_account_fb REST request. Administrator access is required, and further impact depends on a suitable gadget chain from another installed plugin or theme; the affected plugin supplies none.

The record

CVE
CVE-2022-4680
Published
Jan 30, 2023
Updated
Mar 27, 2025
Vendor
CodeinWP
Product
Revive Old Posts
Classifications
CWE-502
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 30, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 27, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <9.0.11

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

CodeinWP · Revive Old Postsversion=0 <9.0.11

Published CVSS scores

7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.2CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.6WordfenceCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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