XSS in Poptin – Exit Pop Ups & Email Popups
CVE-2023-4961
The Poptin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'poptin-form' shortcode in versions up to, and including, 1.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Poptin – Exit Pop Ups & Email Popups — versions 0
- Poptin Popups
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/778af777-4c98-45cd-9704-1bdc9… (Patch, Third Party Advisory)
- plugins.trac.wordpress.org/browser/poptin/tags/1.3/poptin.php (Exploit)
- plugins.trac.wordpress.org/changeset/2968210/poptin (Patch)
Frequently asked questions
- What is CVE-2023-4961?
- CVE-2023-4961 is a medium-severity vulnerability in Poptin – Exit Pop Ups & Email Popups, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2023-10-20.
- How severe is CVE-2023-4961?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2023-4961 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.