When was CVE-2021-26925 disclosed?

CVE-2021-26925 was first published in the National Vulnerability Database on February 9, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-26925 actively exploited?

CVE-2021-26925 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 49.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-26925?

CVE-2021-26925 has a CVSS v3 base score of 5.4 (NVD).

How do I remediate CVE-2021-26925?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-26925, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

CVE-2021-26925

MEDIUMNVD 5.45.4—

5.4

Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.

CVSS v3: 5.4
EG Score: 5.4(medium)
EPSS: 49.5%
KEV: Not listed

References (8)

cve@mitrehttps://github.com/roundcube/roundcubemail/commit/9dc276d5f26042db02754fa1bac6fbd683c6d596
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5QPAMYM2DQODSCQIAVNFJR2ETG7WMJOD/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q752JPOHTR6H72FK3EIPJZ5O24Z7RGLM/
cve@mitrehttps://roundcube.net/news/2021/02/08/security-update-1.4.11
af854a3a-2127-422b-91ae-364da2661108https://github.com/roundcube/roundcubemail/commit/9dc276d5f26042db02754fa1bac6fbd683c6d596
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5QPAMYM2DQODSCQIAVNFJR2ETG7WMJOD/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q752JPOHTR6H72FK3EIPJZ5O24Z7RGLM/
af854a3a-2127-422b-91ae-364da2661108https://roundcube.net/news/2021/02/08/security-update-1.4.11

Is Your Infrastructure Affected by CVE-2021-26925?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2021-26925

Published

Last Modified

References (8)

Weakness Classification(1)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-26925?

Same CWE

CVE-2021-26925

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-26925?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)