How severe is CVE-2025-30949?

CVE-2025-30949 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-30949 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-30949?

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

Does CVE-2025-30949 have an EU (EUVD) identifier?

Yes. CVE-2025-30949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21608.

When was CVE-2025-30949 published?

CVE-2025-30949 was published on 2025-07-16 and last updated on 2026-06-17.

CVE-2025-30949

CVE-2025-30949 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21608
Weakness: CWE-502
Published: 2025-07-16
Last modified: 2026-06-17

Description

Deserialization of Untrusted Data vulnerability in Guru Team Site Chat on Telegram site-chat-on-telegram allows Object Injection.This issue affects Site Chat on Telegram: from n/a through <= 1.0.4.

Frequently asked questions

What is CVE-2025-30949?: Deserialization of Untrusted Data vulnerability in Guru Team Site Chat on Telegram site-chat-on-telegram allows Object Injection.This issue affects Site Chat on Telegram: from n/a through <= 1.0.4.
How severe is CVE-2025-30949?: CVE-2025-30949 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-30949 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-30949?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-30949 have an EU (EUVD) identifier?: Yes. CVE-2025-30949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21608.
When was CVE-2025-30949 published?: CVE-2025-30949 was published on 2025-07-16 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/site-chat-on-telegram/vulnerability/wordpress-site-chat-on-telegram-1-0-4-php-object-injection-vulnerability?_s_id=cve

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