CVE-2021-24286
The settings page of the Redirect 404 to parent WordPress plugin before 1.3.1 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 12.7%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
The settings page of the Redirect 404 to parent WordPress plugin before 1.3.1 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 12.66% probability · 96th percentile
- Public exploits
- 1 in Exploit-DB · first 29 September 2021
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- mooveagency/redirect 404 to parent
- Source
- contact@wpscan.com
EPSS moved from 12.7% on 19 October 2026 to 12.7% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/164328/WordPress-Redirect-404-To-Parent-1.3.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://wpscan.com/vulnerability/b9a535f3-cb0b-46fe-b345-da3462584e27Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/164328/WordPress-Redirect-404-To-Parent-1.3.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://wpscan.com/vulnerability/b9a535f3-cb0b-46fe-b345-da3462584e27Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.