CVE-2021-26812
MediumCross Site Scripting (XSS) in the Jitsi Meet 2.7 through 2.8.3 plugin for Moodle via the "sessionpriv.php" module.
Published Apr 14, 2021 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2021-26812 is a medium-severity vulnerability (CVSS 6.1 v3.1) affecting Meet (Jitsi).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 97% probability of exploitation in the next 30 days.
- Fixed versions are available, including Meet <=2.8.3, Meet 2.8.3.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS (30-day exploit likelihood)
97%
Higher than 99.8% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2021-26812 brief as a PDF
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Description
Cross Site Scripting (XSS) in the Jitsi Meet 2.7 through 2.8.3 plugin for Moodle via the "sessionpriv.php" module. This allows attackers to craft a malicious URL, which when clicked on by users, can inject javascript code to be run by the application.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| MeetJitsi | See advisory | 2.8.3 |
Patched Releases
Meet
<=2.8.3
Timeline
Publicly disclosed
Apr 14, 2021
Last updated
Nov 21, 2024
Weakness Type
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
FAQ
Common Questions.
Cross Site Scripting (XSS) in the Jitsi Meet 2.7 through 2.8.3 plugin for Moodle via the "sessionpriv.php" module.
Affected: Meet (Jitsi). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Meet <=2.8.3, Meet 2.8.3.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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