Anti-Spam by CleanTalk <= 6.88 - Unauthenticated Stored Cross-Site Scripting via Comment Content via ContactsEncoder Greedy Regex
The Anti-Spam by CleanTalk – Spam Protection Without CAPTCHA plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 6.88 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. This vulnerability is exploitable once a comment from the attacker's email address has been approved; on default WordPress installations, only the first comment from a given email address is held for moderation, meaning subsequent comments auto-approve and immediately expose the payload to site visitors.
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| Platforma | Paczka | Podatne wersje | Poprawka w wersji |
|---|---|---|---|
| Wtyczka WordPress | Anti-Spam by CleanTalk – Spam Protection Without CAPTCHA | <= 6.88 | 6.89 |
Odnośniki
- Wektor CVSS
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N- Słabość (CWE)
CWE-79- Platforma
- WordPress
- Paczka
Anti-Spam by CleanTalk – Spam Protection Without CAPTCHA- Ujawniono
- 09.10.2026
- Aktualizacja
- 11.10.2026 10:23
Źródła i licencje
Wordfence Intelligence - c3a80bcd-170b-469b-b090-8f806f87b8d7 - Wordfence Intelligence
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Copyright 2012-2026 Defiant Inc.
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Historia podatności: Anti-Spam by CleanTalk – Spam Protection Without CAPTCHA
Wszystkie opisane podatności tej paczki (Wtyczka WordPress), od najnowszej. Widać, czy to jednorazowa wpadka, czy paczka, której trzeba pilnować.
- Wszystkich wpisów
- 18
- Pierwsza → ostatnia
- 08.2015 10.2026
- Bez poprawki
- 0
- Wykorzystywana w atakach
- 0
Rozkład istotności
- Krytyczna 2
- Wysoka 7
- Średnia 9
Ujawnienia w latach
- 2017: 0
- 2018: 0
- 2019: 1
- 2020: 1
- 2021: 1
- 2022: 3
- 2023: 3
- 2024: 2
- 2025: 0
- 2026: 6
wcześniej: 1
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Anti-Spam by CleanTalk <= 6.88 - Unauthenticated Stored Cross-Site Scripting via Comment Content via ContactsEncoder Greedy Regex ten wpis
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