7.2

CVE-2025-30349: horde imp Cross-site Scripting

CVSS: 7.2v3.1HighDeferred
AliasesUBUNTU-CVE-2025-30349DEBIAN-CVE-2025-30349DLA-4113-1
Published 21-03-2025Last modified 03-04-2025
Open JSON

Vulnerability summary

CVE-2025-30349 is a high (CVSS 7.2) Cross-site Scripting vulnerability in horde imp. EPSS estimates a 31.29% chance of exploitation in the next 30 days, higher than 98.2% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (CVE.org)
EPSS score
31.29%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-03-2025
    PublishedVulnerability first disclosed.
  2. 03-04-2025
    Last modifiedVulnerability information updated.

Description

Horde IMP through 6.2.27, as used with Horde Application Framework through 5.2.23, allows XSS that leads to account takeover via a crafted text/html e-mail message with an onerror attribute (that may use base64-encoded JavaScript code), as exploited in the wild in March 2025.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

31.29%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 31.29% on 19-09-2026

19-09-202619-10-2026
EPSS score
31.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu2 products
  • php-hordeAll versions (No fix recorded)
  • php-horde-impAll versions (No fix recorded)
Debian1 product
  • php-horde-impAll versions (No fix recorded) | < 6.2.27-2+deb11u1
Horde1 product

3 vendors · 4 products

References

18 links
Show all 18 references