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CVE detail

CVE-2023-43770

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.

CVSS 6.1 · MediumBuzz score 57.5KEV listed

Buzz score

Why this CVE is surfacing

Buzz score total 57.5

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 23.0 · diversity 9.5 · KEV 25.0 · OTX 0.0 · PoC 0.0
Mention score
23.0
9 evidence mentions in the snapshot
Diversity score
9.5
4 sources across 1 categories
KEV score
25.0
Known exploited vulnerability present
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
9 source links · newest first
  • Russia-linked actors use AI to craft phishing and malware attacks against entities in Ukraine, says SSSCIP. Russian hackers increasingly use AI in cyberattacks against Ukraine, the country’s State Service for Special Communications and Information Protection (SSSCIP) reported. Beyond AI-generated phishing, some malware samples now show AI-generated code. In H1 2025, Ukraine recorded 3,018 cyber incidents, […]

    newssecurityaffairs.comOct 10, 2025, 1:31 PM
  • Russia-linked APT28 has been exploiting mail server vulnerabilities against government and defense entities since September 2023.

    newswww.securityweek.comMay 16, 2025, 10:11 AM
  • CISOs need to ensure that web email clients and browsers are kept up to date following the discovery of cross site scripting attacks on organizations running webmail clients such as Roundcube, Horde, MDaemon, and Zimbra. The alert came today from researchers at ESET, who, after seeing attacks on government and defense organizations in Ukraine, Romania, […]

    newswww.csoonline.comMay 15, 2025, 1:02 PM
  • ESET researchers have uncovered RoundPress, a Russia-aligned espionage operation targeting webmail servers via XSS vulnerabilities. Behind it is most likely the Russia-aligned Sednit (also known as Fancy Bear or APT28) cyberespionage group, holding the ultimate goal of stealing confidential data from specific email accounts. Operation RoundPress compromise chain (Source: ESET) Targets Most of the targets are related to the current war in Ukraine. They are either Ukrainian governmental entities or defense companies in Bulgaria and … More →

    newswww.helpnetsecurity.comMay 15, 2025, 9:00 AM
  • Two cross-site scripting vulnerabilities (CVE-2024-42009, CVE-2024-42008) affecting Roundcube could be exploited by attackers to steal users’ emails and contacts, email password, and send emails from their account. About the vulnerabilities Roundcube is an open-source webmail software solution popular with European government agencies, hosting providers and academic institutions around the world. CVE-2024-42009 and CVE-2024-42008 are both XSS bugs. The former allows a remote attacker to steal and send emails of a victim via a crafted e-mail … More →

    newswww.helpnetsecurity.comAug 7, 2024, 8:59 AM
  • Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Integrating cybersecurity into vehicle design and manufacturing In this Help Net Security interview, Yaron Edan, CISO at REE Automotive, discusses the cybersecurity landscape of the automotive industry, mainly focusing on electric and connected vehicles. The future of cybersecurity: Anticipating changes with data analytics and automation In this Help Net Security interview, Mick Baccio, Staff Security Strategist at Splunk SURGe, discusses … More →

    newswww.helpnetsecurity.comFeb 18, 2024, 9:00 AM
  • CISA has added the Roundcube flaw tracked as CVE-2023-43770 to its known exploited vulnerabilities catalog.

    newswww.securityweek.comFeb 13, 2024, 11:09 AM
  • CVE-2023-43770, a vulnerability in the Roundcube webmail software that has been fixed in September 2023, is being exploited by attackers in the wild, CISA has warned by adding the vulnerability to its Known Exploited Vulnerabilities (KEV) catalog. About CVE-2023-43770 Roundcube is an open-source, browser-based IMAP client with an application-like user interface. CVE-2023-43770 is a vulnerability that allows attackers to mount cross-site scripting (XSS) attacks through specially crafted links in plain text email messages. The vulnerability … More →

    newswww.helpnetsecurity.comFeb 13, 2024, 9:36 AM
  • U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Roundcube Webmail Persistent Cross-Site Scripting (XSS) vulnerability, tracked as CVE-2023-43770, to its Known Exploited Vulnerabilities (KEV) catalog. Roundcube is an open-source web-based email client. It […]

    newssecurityaffairs.comFeb 12, 2024, 6:53 PM

Exploit code

Public exploit repository references

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0 repository references · best confidence N/A · max 0 stars
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Related records

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