Popup | Custom Popup Builder: Improper Validation of Specified Quantity in Input
CVE-2022-0214 is a high-severity improper validation of specified quantity in input vulnerability in Popup | Custom Popup Builder, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version 1.3.1 as the first without the flaw, so updating Popup | Custom Popup Builder to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 1.59% chance of exploitation within 30 days, higher than 76% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Popup | Custom Popup Builder to 1.3.1 or a later version.
- Update Custom Popup Builder to 1.3.1 or a later version.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Popup | Custom Popup Builder | Popup | Custom Popup Builder | before 1.3.1 | 1.3.1 |
| Custom Popup Builder Project | Custom Popup Builder | before 1.3.1 | 1.3.1 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- NoneNo data is disclosed.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.5 | High | NVD |
| CVSS 2.0 | 5.0 | Medium | NVD |
Official description
The Custom Popup Builder WordPress plugin before 1.3.1 autoload data from its popup on every pages, as such data can be sent by unauthenticated user, and is not validated in length, this could cause a denial of service on the blog
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Validation of Specified Quantity in Input
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.
More Improper Validation of Specified Quantity in Input vulnerabilities (CWE-1284)
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Technical write-ups (may include proof of concept)
- wpscan.com/vulnerability/ca2e8feb-15d6-4965-ad9c-8da1bc01e0f4Exploit, Third Party Advisory
Recent Improper Validation of Specified Quantity in Input vulnerabilities
- 9.8 Critical severity
- 7.8 High severity
Linux Kernel Improper Input Validation Exploited
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