CVE-2023-2836
CVE-2023-2836 is a medium-severity vulnerability in Crmperks Crm Perks Forms with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 4.4)
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Crmperks Crm Perks Forms
- Published:
- Last modified:
Description
The CRM Perks Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via form settings in versions up to, and including, 1.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Frequently asked questions
- What is CVE-2023-2836?
- The CRM Perks Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via form settings in versions up to, and including, 1.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
- How severe is CVE-2023-2836?
- CVE-2023-2836 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2023-2836 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-2836?
- CVE-2023-2836 affects Crmperks Crm Perks Forms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-2836?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-2836 published?
- CVE-2023-2836 was published on 2023-05-31 and last updated on 2026-06-17.
References
- https://github.com/Don-H50/wp-vul/blob/main/CPF-xss-exploit.md
- https://plugins.trac.wordpress.org/changeset/2917582/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/de11636b-a051-4e76-bc26-ed76f66fe0df?source=cve
Affected products (1)
- cpe:2.3:a:crmperks:crm_perks_forms:*:*:*:*:*:wordpress:*:*
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