CVE-2020-35932

Name: CVE-2020-35932
Creator: NVD / NIST
Published: 2021-01-01T02:15:13.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.08%

Last modified Jun 17, 2026

CVE-2020-35932 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Insecure Deserialization in the Newsletter plugin before 6.8.2 for WordPress allows authenticated remote attackers with minimal privileges (such as subscribers) to use the tpnc_render AJAX action to inject arbitrary PHP objects via the options[inline_edits] parameter. NOTE: exploitability depends on PHP objects that might be present with certain other plugins or themes.. EPSS estimates a 2.08% chance of exploitation in the next 30 days.

Description

Insecure Deserialization in the Newsletter plugin before 6.8.2 for WordPress allows authenticated remote attackers with minimal privileges (such as subscribers) to use the tpnc_render AJAX action to inject arbitrary PHP objects via the options[inline_edits] parameter. NOTE: exploitability depends on PHP objects that might be present with certain other plugins or themes.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.08%

79.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Tribulant	Newsletter	< 6.8.2

References

https://www.wordfence.com/blog/2020/08/newsletter-plugin-vulnerabilities-affect-over-300000-sites/Exploit, Third Party Advisory
https://www.wordfence.com/blog/2020/08/newsletter-plugin-vulnerabilities-affect-over-300000-sites/Exploit, Third Party Advisory

Timeline

Published: Jan 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35932?

How severe is CVE-2020-35932?

CVE-2020-35932 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.08% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35932?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-35932?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST