Cross-Site Scripting
5 records55.6%First: 2021. Latest: 2026.
Plugin security history
The Wordfence Intelligence dataset currently contains 9 vulnerability records associated with Stop Spammers Classic, published between 2021 and 2026.
Dataset last synchronized: 2026-08-03 00:31:25 UTC
At a glance
Use this history
A history record does not establish whether the version installed on your website is affected. Enter the exact version in the checker, or add this software to a private Critical/High alert watchlist.
| Year | Records | Relative volume |
|---|---|---|
| 2021 | 2 | |
| 2022 | 1 | |
| 2023 | 2 | |
| 2024 | 1 | |
| 2025 | 1 | |
| 2026 | 2 |
| Severity | Records | Share |
|---|---|---|
| Critical | 1 | 11.1% |
| High | 1 | 11.1% |
| Medium | 7 | 77.8% |
First: 2021. Latest: 2026.
First: 2024. Latest: 2026.
First: 2022. Latest: 2022.
Patch status reflects the latest successfully synchronized source dataset and must be checked against the installed version.
2026.42026.220252024.520232022.62021.182021.9Ranges are deduplicated by source range record and shown with the associated disclosure and known patched versions.
| Affected range | Vulnerability | Published | Patched version | Severity |
|---|---|---|---|---|
*-2026.3 | Stop Spammers Classic <= 2026.3 - Unauthenticated Stored Cross-Site Scripting | June 1, 2026 | 2026.4 | High |
*-2026.1 | Stop Spammers Classic <= 2026.1 - Cross-Site Request Forgery via Email Allowlist | January 27, 2026 | 2026.2 | Medium |
*-2024.7 | Anti-Spam: Spam Protection | Block Spam Users, Comments, Forms <= 2024.7 - Cross-Site Request Forgery to Multiple Administrative Actions | June 5, 2025 | 2025 | Medium |
*-2024.4 | Stop Spammers Security | Block Spam Users, Comments, Forms <= 2024.4 - Cross-Site Request Forgery (CSRF) via sfs_process | May 3, 2024 | 2024.5 | Medium |
*-2022.6 | Stop Spammers Security <= 2022.6 - Authenticated (Admin+) Stored Cross-Site Scripting | May 15, 2023 | 2023 | Medium |
*-2022.6 | Stop Spammers Security <= 2022.6 - Reflected Cross-Site Scripting | May 15, 2023 | 2023 | Medium |
*-2022.5 | Stop Spammers Security <= 2022.5 - Unauthenticated PHP Object Injection | December 5, 2022 | 2022.6 | Critical |
[*, 2021.18) | Stop Spammers Security <= 2021.17 - Authenticated (Admin+) Stored Cross-Site Scripting | August 9, 2021 | 2021.18 | Medium |
[*, 2021.9) | Stop Spammers <= 2021.8 - Reflected Cross-Site Scripting | April 8, 2021 | 2021.9 | Medium |
Selected source records
Published: June 1, 2026
Published: January 27, 2026
Published: June 5, 2025
Published: May 3, 2024
Published: May 15, 2023
Published: May 15, 2023
Published: December 5, 2022
Published: August 9, 2021
Published: December 5, 2022
Published: June 1, 2026
Published: April 8, 2021
Published: May 15, 2023
Published: May 3, 2024
Published: June 5, 2025
Published: August 9, 2021
Published: May 15, 2023
Running an affected version does not prove that a website was compromised. Suspicious redirects, unknown administrators, injected content, unexpected files or recurring malware may require a manual investigation.
Vulnerability data: Wordfence Intelligence. Analysis and practical guidance: 3Zero Digital.
This page aggregates active Production Feed records. Counts are not software-quality rankings, and an affected version does not prove exploitation or infection. Read the full methodology.