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Known exploited vulnerability

CVE-2020-35730

mediumCVSS 3.1 6.1In CISA KEVEPSS 33%Published · n/a

The short answer

CVE-2020-35730 affects n/a n/a and is rated medium (CVSS 6.1). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-06-22: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

An XSS issue was discovered in Roundcube Webmail before 1.2.13, 1.3.x before 1.3.16, and 1.4.x before 1.4.10. The attacker can send a plain text e-mail message, with JavaScript in a link reference element that is mishandled by linkref_addindex in rcube_string_replacer.php.

Weakness: CWE-79.

Severity

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploited (CISA KEV)

Yes, since Jun 22, 2023

Federal due date Jul 13, 2023

EPSS, next 30 days

33%

Higher than 98% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

What CISA says to do

Apply updates per vendor instructions.

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2020-35730 being exploited?

Yes. CISA added CVE-2020-35730 to its Known Exploited Vulnerabilities catalog on 2023-06-22, with a federal remediation due date of 2023-07-13.

How do I fix CVE-2020-35730?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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