How severe is CVE-2025-23609?

CVE-2025-23609 has a CVSS 3.x base score of 7.1, rated high 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 low.

Is CVE-2025-23609 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-23609?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-23609 have an EU (EUVD) identifier?

Yes. CVE-2025-23609 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-3283.

When was CVE-2025-23609 published?

CVE-2025-23609 was published on 2025-01-22 and last updated on 2026-06-17.

CVE-2025-23609

CVE-2025-23609 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. 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: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-3283
Weakness: CWE-79
Published: 2025-01-22
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Helle1 Tagesteller tagesteller allows Reflected XSS.This issue affects Tagesteller: from n/a through <= v.1.1.

Frequently asked questions

What is CVE-2025-23609?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Helle1 Tagesteller tagesteller allows Reflected XSS.This issue affects Tagesteller: from n/a through <= v.1.1.
How severe is CVE-2025-23609?: CVE-2025-23609 has a CVSS 3.x base score of 7.1, rated high 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 low.
Is CVE-2025-23609 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-23609?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-23609 have an EU (EUVD) identifier?: Yes. CVE-2025-23609 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-3283.
When was CVE-2025-23609 published?: CVE-2025-23609 was published on 2025-01-22 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/tagesteller/vulnerability/wordpress-tagesteller-plugin-v-1-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

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