How severe is CVE-2022-1756?

CVE-2022-1756 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-1756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1756?

CVE-2022-1756 affects Thenewsletterplugin Newsletter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-1756?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-1756 published?

CVE-2022-1756 was published on 2022-06-13 and last updated on 2026-06-17.

CVE-2022-1756

CVE-2022-1756 is a medium-severity vulnerability in Thenewsletterplugin Newsletter with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Thenewsletterplugin Newsletter
Published: 2022-06-13
Last modified: 2026-06-17

Description

The Newsletter WordPress plugin before 7.4.5 does not sanitize and escape the $_SERVER['REQUEST_URI'] before echoing it back in admin pages. Although this uses addslashes, and most modern browsers automatically URLEncode requests, this is still vulnerable to Reflected XSS in older browsers such as Internet Explorer 9 or below.

Frequently asked questions

What is CVE-2022-1756?: The Newsletter WordPress plugin before 7.4.5 does not sanitize and escape the $_SERVER['REQUEST_URI'] before echoing it back in admin pages. Although this uses addslashes, and most modern browsers automatically URLEncode requests, this is still vulnerable to Reflected XSS in older browsers such as Internet Explorer 9 or below.
How severe is CVE-2022-1756?: CVE-2022-1756 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-1756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1756?: CVE-2022-1756 affects Thenewsletterplugin Newsletter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-1756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-1756 published?: CVE-2022-1756 was published on 2022-06-13 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/6ad407fe-db2b-41fb-834b-dd8c4f62b072

Affected products (1)

cpe:2.3:a:thenewsletterplugin:newsletter:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Thenewsletterplugin Newsletter

CVE-2020-35933 — Medium (CVSS 6.5): A Reflected Authenticated Cross-Site Scripting (XSS) vulnerability in the Newsletter plugin before 6.8.2 for WordPress…
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CVE-2023-4772 — Medium (CVSS 6.4): The Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'newsletter_form' shortcode in…
CVE-2023-27922 — Medium (CVSS 6.1): Cross-site scripting vulnerability in Newsletter versions prior to 7.6.9 allows a remote unauthenticated attacker to…
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