CVE-2023-4284

The Post Timeline WordPress plugin before 2.2.6 does not sanitise and escape an invalid nonce before outputting it back in an AJAX response, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

CVSS v3.1

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.76% chance of exploitation in the next 30 days, 53th percentile

Nuclei

high · CWE-79

Published

2023-09-04

Updated

2025-03-06

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/1c126869-0afa-456f-94cc-10334964e5f9

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-4284.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2023-42829
• CVE-2023-42860
• CVE-2023-42821
• CVE-2023-4289
• CVE-2023-42820
• CVE-2023-4290