CVE-2020-35730
Roundcube Webmail: Cross-Site Scripting (XSS)
As of , CVE-2020-35730 in Roundcube Webmail is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.
- Exploited
- Yes: CISA listed it on 22 June 2023
- US federal deadline
- 13 July 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.33Higher than 98% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.00 on 22 June 2023EPSS on the day CISA listed it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- Vendor advice: roundcube.netLinks below, from CISA's entry.
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
Roundcube Webmail contains a cross-site scripting (XSS) vulnerability that allows an attacker to send a plain text e-mail message with Javascript in a link reference element that is mishandled by linkref_addinindex in rcube_string_replacer.php.
CISA's description
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.
The CVE record's description, from mitre
- CVE published
- 28 December 2020
- Assigned by
- mitre
- CVSS
- 6.1 Medium (CVSS 3.1, from CISA-ADP)
- CWE-79
- Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- partial
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Roundcube Webmail: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2017-16651File Disclosure | Roundcube Roundcube Webmail | Patch this weekMetasploit module | 0.46 | ||
| CVE-2020-12641Remote Code Execution | Roundcube Roundcube Webmail | Patch this weekEPSS 0.84 | 0.84 | ||
| CVE-2021-44026SQL Injection | Roundcube Roundcube Webmail | Patch this weekEPSS 0.70 | 0.70 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org