TI-2021-06421 Aliases CVE-2021-24129 GHSA-mv99-79gw-2g8g

Themify Portfolio Post < 1.1.6 - Authenticated Stored Cross-Site Scripting

LOW 25CWE-79Published 2021-03-18 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Unvalidated input and lack of output encoding in the Themify Portfolio Post WordPress plugin, versions before 1.1.6, lead to Stored Cross-Site Scripting (XSS) vulnerabilities allowing low-privileged users (Contributor+) to inject arbitrary JavaScript code or HTML in posts where the Themify Custom Panel is embedded, which could lead to privilege escalation.

Why it matters now

EPSS 0.00658 51st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Themify Portfolio Post (Unknown): 1.1.6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Themify Portfolio Post	1.1.6 to before 1.1.6	1.1.6	Patch available	CNA

Themify Portfolio Post VendorUnknown Affected 1.1.6 to before 1.1.6 Fixed in 1.1.6 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:themify:portfolio_post::::::wordpress::*	before 1.1.6	Vulnerable	themifyme

cpe:2.3:a:themify:portfolio_post:*:*:*:*:*:wordpress:*:* Versions before 1.1.6 Vulnerable ·themifyme

Remediation

Fix · CNA Themify Portfolio Post (Unknown) Fixed in 1.1.6

Timeline

2026-10-02 Threatist record created from CVE-2021-24129
2026-10-03 Alias added: GHSA-mv99-79gw-2g8g
2026-10-11 EPSS moved to the 50th–90th percentile

References

Exploit 1

https://wpscan.com/vulnerability/c8537e5f-1948-418b-9d29-3cf50cd8f9a6

TI-2023-00346 Themify Portfolio Post < 1.2.2 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
TI-2022-04079 Themify Portfolio Post < 1.2.1 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
TI-2022-00138 Themify Portfolio Post < 1.1.7 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 5.4
TI-2022-14487 WordPress Themify Portfolio Post Plugin <= 1.2.4 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences