Webmail vulnerabilitiesAnd the versions its exploited flaws hit.
Webmail is made by Roundcube. We track 75 published vulnerabilities in it, across 140 versions. 9 of them are on the list of flaws known to be exploited, the newest added on 9 June 2025. If you run Webmail, check your version against the exploited flaws below and patch those first.
The most recent Webmail flaw added to the known-exploited list is CVE-2024-42009, on 9 June 2025. We keep watching the known-exploited list.
Which versions of Webmail do the exploited flaws hit?
Each exploited flaw lists the versions it affects, usually as ranges. "before 1.5.8" means every version up to, but not including, 1.5.8. Find your version, then patch.
- CVE-2024-42009Exploited list, 9 Jun 2025
RoundCube Webmail Cross-Site Scripting Vulnerability
before 1.5.81.6.0 to before 1.6.8 - CVE-2024-37383Exploited list, 24 Oct 2024
RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability
before 1.5.71.6.0 to before 1.6.7 - CVE-2020-13965Exploited list, 26 Jun 2024
Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
before 1.3.121.4.0 to before 1.4.5 - CVE-2023-43770Exploited list, 12 Feb 2024
Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability
before 1.4.141.5.0 to before 1.5.41.6.0 to before 1.6.3 - CVE-2023-5631Exploited list, 26 Oct 2023
Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability
before 1.4.151.5.0 to before 1.5.51.6.0 to before 1.6.4 - CVE-2021-44026Exploited list, 22 Jun 2023
Roundcube Webmail SQL Injection Vulnerability
before 1.3.171.4.0 to before 1.4.12 - CVE-2020-12641Exploited list, 22 Jun 2023
Roundcube Webmail Remote Code Execution Vulnerability
1.2.0 to before 1.2.101.3.0 to before 1.3.111.4.0 to before 1.4.4 - CVE-2020-35730Exploited list, 22 Jun 2023
Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
before 1.2.131.3.0 to before 1.3.161.4 to before 1.4.10 - CVE-2017-16651Exploited list, 3 Nov 2021
Roundcube Webmail File Disclosure Vulnerability
up to 1.1.91.2.01.2.11.2.21.2.31.2.41.2.51.2.6
Which Webmail vulnerabilities are being exploited?
9 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 9.3RoundCube Webmail Cross-Site Scripting Vulnerability
RoundCube Webmail contains a cross-site scripting vulnerability.
- 6.1RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability
RoundCube Webmail contains a cross-site scripting (XSS) vulnerability in the handling of SVG animate attributes that allows a remote attacker to run malicious JavaScript code.
- 6.1Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
Roundcube Webmail contains a cross-site scripting (XSS) vulnerability that allows a remote attacker to manipulate data via a malicious XML attachment.
- 6.1Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability
Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that can lead to information disclosure via malicious link references in plain/text messages.
- 6.1Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability
Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that allows a remote attacker to run malicious JavaScript code.
- 9.8Roundcube Webmail SQL Injection Vulnerability
Roundcube Webmail is vulnerable to SQL injection via search or search_params.
- 9.8Roundcube Webmail Remote Code Execution Vulnerability
Roundcube Webmail contains an remote code execution vulnerability that allows attackers to execute code via shell metacharacters in a configuration setting for im_convert_path or im_identify_path.
- 6.1Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
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...
Which Webmail flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 84%
rcube_image.php in Roundcube Webmail before 1.4.4 allows attackers to execute arbitrary code via shell metacharacters in a configuration setting for im_convert_path or im_identify_path.
- 83%
A Cross-Site Scripting vulnerability in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows a remote attacker to steal and send emails of a victim via a crafted e-mail message that abuses a Desanitization issue in...
- 77%
An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5.
- 76%
Roundcube before 1.4.15, 1.5.x before 1.5.5, and 1.6.x before 1.6.4 allows stored XSS via an HTML e-mail message with a crafted SVG document because of program/lib/Roundcube/rcube_washtml.php behavior.
- 73%
Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 allows XSS via SVG animate attributes.
- 70%
Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to a potential SQL injection via search or search_params.
- 64%
Roundcube before 1.4.14, 1.5.x before 1.5.4, and 1.6.x before 1.6.3 allows XSS via text/plain e-mail messages with crafted links because of program/lib/Roundcube/rcube_string_replacer.php behavior.
- 59%CVE-2008-5619Critical
html2text.php in Chuggnutt HTML to Text Converter, as used in PHPMailer before 5.2.10, RoundCube Webmail (roundcubemail) 0.2-1.alpha and 0.2-3.beta, Mahara, and AtMail Open 1.03, allows remote attackers to execute...
- 56%CVE-2018-19206Medium
steps/mail/func.inc in Roundcube before 1.3.8 has XSS via crafted use of <svg><style>, as demonstrated by an onload attribute in a BODY element, within an HTML attachment.
- 46%
Roundcube Webmail before 1.1.10, 1.2.x before 1.2.7, and 1.3.x before 1.3.3 allows unauthorized access to arbitrary files on the host's filesystem, including configuration files, as exploited in the wild in November 2017.
Running Webmail? We'll keep checking.
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1 flaw being exploited affects software Acme tracks
RoundCube Webmail contains a cross-site scripting vulnerability. This vulnerability could allow a remote attacker to steal and send emails of a victim via a crafted e-mail message that abuses a Desanitization issue in message_body() in program/actions/mail/show.php.
- Matched to
- Webmail on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 75 published vulnerabilities listed under the name Webmail, across 140 versions. The most recent Webmail flaw added to the known-exploited list is CVE-2024-42009, on 9 June 2025.
9 are on the list of flaws known to be exploited. The most recently added are CVE-2024-42009, CVE-2024-37383 and CVE-2020-13965.
Each flaw names its own versions, usually as ranges. The newest, CVE-2024-42009, affects before 1.5.8, 1.6.0 to before 1.6.8. The versions for every exploited flaw are listed on this page.
Create a Precursor Intelligence account and track Webmail. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.