CVE-2026-25237

9.2 criticalEPSS 0.5%

Critical (9.2) in pear pearweb. EPSS 0.5% chance of exploitation in the next 30 days.

PEAR is a framework and distribution system for reusable PHP components. Prior to version 1.33.0, use of preg_replace() with the /e modifier in bug update email handling can enable PHP code execution if attacker-controlled content reaches the evaluated replacement. This issue has been patched in version 1.33.0.

Severity

CVSS 4.0

9.2 critical

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
CWE: CWE-624
Published: 2026-02-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

pear:pearweb

References

https://github.com/pear/pearweb/security/advisories/GHSA-vhw6-hqh9-8r23

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