CVE-2025-49553

CVE-2025-49553 is a critical-severity vulnerability in Adobe Connect with a CVSS 3.x base score of 9.3. 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

Description

Adobe Connect versions 12.9 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability that could be exploited by an attacker to execute malicious scripts in a victim's browser. Exploitation of this issue requires user interaction in that a victim must navigate to a crafted web page. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high. Scope is changed.

Frequently asked questions

What is CVE-2025-49553?
Adobe Connect versions 12.9 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability that could be exploited by an attacker to execute malicious scripts in a victim's browser. Exploitation of this issue requires user interaction in that a victim must navigate to a crafted web page. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high. Scope is changed.
How severe is CVE-2025-49553?
CVE-2025-49553 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-49553 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-49553?
CVE-2025-49553 affects Adobe Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-49553?
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-2025-49553 have an EU (EUVD) identifier?
Yes. CVE-2025-49553 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34488.
When was CVE-2025-49553 published?
CVE-2025-49553 was published on 2025-10-14 and last updated on 2026-06-17.

References

Affected products (1)

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