CVE-2021-4358 json
WP DSGVO Tools (GDPR) <= 3.1.23 - Unauthenticated Stored Cross-Site Scripting
published 3y ago modified 4mo ago also EUVD-2021-34185
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
The WP DSGVO Tools (GDPR) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an unknown parameter in versions up to, and including, 3.1.23 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Patch / fix
- legalweb WP DSGVO Tools (GDPR) 3.1.24
Is CVE-2021-4358 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- blog.nintechnet.com https://blog.nintechnet.com/wordpress-wp-dsgvo-tools-gdpr-plugin-patched-vulnerability-actively-exploited/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- legalweb WP DSGVO Tools (GDPR)
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
blog.nintechnet.com
/wordpress-wp-dsgvo-tools-gdpr-plugin-patched-vulnerability-actively-exploited/
exploit, third-party-advisory
-
wordfence.com
/threat-intel/vulnerabilities/id/6c18ab1b-02f1-4679-8cff-679d98dc9f4a?source=cve
third-party-advisory
-
wordpress.org
/support/topic/weiterleitung-redirects/
product
Sources
- CVE List CVE-2021-4358
- NVD CVE-2021-4358
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.