CVE-2026-21331
published 2026-04-14CVE-2026-21331: Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a…
PriorityP427medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
0.28%
20.3th percentile
Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser. Scope is changed.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| adobe | adobe_connect | <= 12.10 | — |
| adobe | connect | < 12.11 | 12.11 |
| adobe | connect_desktop_application | < 2025.9.15 | 2025.9.15 |
| adobe | connect_desktop_application | <= 2025.3 | — |
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VulDB
Adobe Connect up to 12.10/2025.3 cross site scripting (apsb26-37)
vuldb·2026-04-14·CVSS 6.1
CVE-2026-21331 [MEDIUM] Adobe Connect up to 12.10/2025.3 cross site scripting (apsb26-37)
A vulnerability classified as problematic has been found in Adobe Connect up to 12.10/2025.3. This issue affects some unknown processing. This manipulation causes cross site scripting.
The identification of this vulnerability is CVE-2026-21331. It is possible to initiate the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.
GHSA
GHSA-vhf9-597v-53mq: Adobe Connect versions 2025
ghsa_unreviewed·2026-04-14
CVE-2026-21331 [MEDIUM] CWE-79 GHSA-vhf9-597v-53mq: Adobe Connect versions 2025
Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser. Scope is changed.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-04-14
Published